A cappella (English Wikipedia)

Kurfees 1911 Kurfees, Marshall C. (1911). Instrumental music in the worship or the Greek verb psallo philologically and historically examined together with a full discussion of kindred matters relating to music in Christian worship. Nashville: McQuiddy Print Co. ASIN B00088QFHQ.
McKinnon 1965, pp. 263, 265 McKinnon, James William (1965). The Church Fathers and Musical Instruments. Columbia University Dissertations. Columbia University. ASIN B001F2LQJ6.
Bales 1973, p. 351 Bales, James D. (1973). Instrumental Music and New Testament Worship. Searcy, AR: Truth for Today World Mision School. ASIN B0006CBMTU.
Ferguson 1972, p. 74 Ferguson, Everett (1972). A Cappella Music in the Public Worship of the Church. The Way of Life Series. Abilene, TX: Biblical Research Press. ASIN B001D08SDM.
Ferguson 1972, pp. 52, 53 Ferguson, Everett (1972). A Cappella Music in the Public Worship of the Church. The Way of Life Series. Abilene, TX: Biblical Research Press. ASIN B001D08SDM.
Ferguson 1972, pp. 39–41 Ferguson, Everett (1972). A Cappella Music in the Public Worship of the Church. The Way of Life Series. Abilene, TX: Biblical Research Press. ASIN B001D08SDM.

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Hoiberg 2010, p. 1 Hoiberg, Dale H., ed. (2010). "A Cappella". Encyclopædia Britannica. Vol. I: A–Ak – Bayes (15th ed.). Chicago: Encyclopædia Britannica, Inc. ISBN 978-1-59339-837-8.
Weiss & Taruskin 1984, p. 107 Weiss, Piero; Taruskin, Richard (1984). Music in the Western World. New York: Shirmer Books. ISBN 978-0028729008.
Weiss & Taruskin 1984, p. 109 Weiss, Piero; Taruskin, Richard (1984). Music in the Western World. New York: Shirmer Books. ISBN 978-0028729008.
Jones, Charles Edwin (1974). A guide to the study of the holiness movement. Scarecrow Press. p. 685. ISBN 978-0810807037.
Olson 1967, p. 562 Olson, Lee G. (1967). "Music and Musical Instruments of the Bible". In Tenney, Merrill C. (ed.). Zondervan Pictorial Bible Dictionary. Grand Rapids, MI: Zondervan Publishing House. ISBN 978-0310331605.

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Jacobs 2006 Jacobs, Leonard (24 August 2006). "Perfect Harmony". Backstage. Retrieved 17 April 2013.

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"Strepsils Stereo brings A Capella to Pakistan for the first time". Dawn. 11 August 2017. Archived from the original on 14 January 2026. Retrieved 9 December 2017.

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Kilmer, Anne D. (1986). "Old Babylonian Musical Instructions Relating to Hymnody". Journal of Cuneiform Studies. 38 (1). The American Schools of Oriental Research: 94–98. doi:10.2307/1359953. JSTOR 1359953. S2CID 163942248.
van Camp 1965 van Camp, Leonard (1965). "The Formation of A Cappella Choirs at Northwestern University, St. Olaf College, and Westminster College". Journal of Research in Music Education. 13 (4): 227–238. doi:10.2307/3344375. JSTOR 3344375. S2CID 220635936.
Prieto, Pilar (2014), "The intonational phonology of Catalan", Prosodic Typology II, Oxford University Press, pp. 43–80, doi:10.1093/acprof:oso/9780199567300.003.0003, ISBN 978-0199567300
Schluntz, Roger L. (1982). "Design Competitions: For Whose Benefit Now?". Journal of Architectural Education. 35 (4): 2–9. doi:10.2307/1424700. ISSN 0149-2993. JSTOR 1424700.
Chapman, Owen (1 July 2005). "The Affect of Selection in Digital Sound Art". M/C Journal. 8 (3). doi:10.5204/mcj.2357. ISSN 1441-2616.
Dunchan, Joshua (2012). "Recordings, Technology, and Discourse in Collegiate A Cappella". Journal of American Folklore. 125 (498): 488–502. doi:10.5406/jamerfolk.125.498.0488. S2CID 162252124 – via Project MUSE.

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Hilliard 2013 Hilliard, Kyle (9 September 2013). "How Smooth Got His McGroove – The Introverted Acapella YouTube Artist". Game Informer. Archived from the original on 12 September 2013. Retrieved 16 February 2014.

ghostarchive.org (Global: 64^th place; English: 28^th place)

Wittman 1978 Wittman, Elisabeth (1978), Biography of Peter Christian Lutkin (PDF), Peter Christian Lutkin Papers, Evanston, IL: Northwestern University, archived (PDF) from the original on 9 October 2022
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"Jerusalem – Jacob Collier (Soundtrack for Beats by Dre: "The Game Starts Here")". YouTube. 22 September 2015. Archived from the original on 22 November 2021. Retrieved 28 June 2016.

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Andrews, Evan (18 December 2015). "What is the oldest known piece of music?". HISTORY. Retrieved 21 April 2020.

hollywoodreporter.com (Global: 30^th place; English: 22^nd place)

"Pentatonix Talks Holiday Album, Touring Goals and Teaching A Cappella to Teens". The Hollywood Reporter.

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Chanmugam 2010 Chanmugam, Mano (25 September 2010). "Menaka singers – 'September Song' – Satisfies!". The Island. Colombo, Sri Lanka. Retrieved 27 April 2012.

issuu.com (Global: 408^th place; English: 312^th place)

Smith, Jim H. (Spring 2014). "Perfect Harmony". Trinity Reporter. p. 18 – via issu.com. founded in the 19th century

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"Bobby McFerrin: Spontaneous Inventions". JazzTimes. Retrieved 12 May 2026.

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muse.jhu.edu

Dunchan, Joshua (2012). "Recordings, Technology, and Discourse in Collegiate A Cappella". Journal of American Folklore. 125 (498): 488–502. doi:10.5406/jamerfolk.125.498.0488. S2CID 162252124 – via Project MUSE.

jstor.org (Global: 23^rd place; English: 15^th place)

Kilmer, Anne D. (1986). "Old Babylonian Musical Instructions Relating to Hymnody". Journal of Cuneiform Studies. 38 (1). The American Schools of Oriental Research: 94–98. doi:10.2307/1359953. JSTOR 1359953. S2CID 163942248.
van Camp 1965 van Camp, Leonard (1965). "The Formation of A Cappella Choirs at Northwestern University, St. Olaf College, and Westminster College". Journal of Research in Music Education. 13 (4): 227–238. doi:10.2307/3344375. JSTOR 3344375. S2CID 220635936.
Schluntz, Roger L. (1982). "Design Competitions: For Whose Benefit Now?". Journal of Architectural Education. 35 (4): 2–9. doi:10.2307/1424700. ISSN 0149-2993. JSTOR 1424700.

jweekly.com (Global: 4,633^rd place; English: 2,677^th place)

Altshuler 2013 Altshuler, George (3 January 2013). "Singers find sure appeal of Jewish a cappella groups". Jweekly. Retrieved 18 January 2016.

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Anon 2008 Anon (2008). "Who are the Kinsey Sicks?". Retrieved 11 May 2013.

lakegeorgeexaminer.com (Global: low place; English: low place)

Burdett, Gillian (19 April 2017). "Barbershop Harmony Society to 'keep the whole world singing' in Lake George". The Lake George Examiner. Archived from the original on 15 January 2025. Retrieved 2 December 2017. the Society has 22,000 members

loc.gov (Global: 63^rd place; English: 47^th place)

"Judy Collins interview" (PDF). Library of Congress. 12 April 2017. Archived (PDF) from the original on 9 October 2022. Retrieved 17 June 2021.

lortel.org (Global: 6,747^th place; English: 3,612^th place)

Anon 2002 Anon (2002). "Avenue X". Lortel Archives-The Internet Off-Broadway Database. Lortel.org. Archived from the original on 21 March 2012. Retrieved 28 May 2011.
Anon 2010a Anon (2010a). "In Transit". Lortel Archives-The Internet Off-Broadway Database. Lortel.org. Archived from the original on 21 March 2012. Retrieved 28 May 2011.

media-culture.org.au (Global: low place; English: low place)

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Chapman, Owen (1 July 2005). "The Affect of Selection in Digital Sound Art". M/C Journal. 8 (3). doi:10.5204/mcj.2357. ISSN 1441-2616.

merriam-webster.com (Global: 425^th place; English: 373^rd place)

"A cappella" in Merriam-Webster.com Dictionary, accessed 5 December 2023.

michigandaily.com (Global: 5,831^st place; English: 3,147^th place)

VanderMolen, Abigail (12 April 2023). "Maize Mirchi is first South Asian group to go to ICCA internationals". The Michigan Daily. Retrieved 30 April 2024.

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"The Contemporary A Cappella Society (CASA)". www.music.org. Retrieved 14 June 2019.

namehnews.com (Global: low place; English: low place)

"یک تابوشکنی دیگر در صدا و سیمای این دوران / حضور پررنگ خانم‌ها با گروه موسیقی "دامور" در تلویزیون + تصویر". نامه نیوز (in Persian). Retrieved 20 January 2022.

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Wittman 1978 Wittman, Elisabeth (1978), Biography of Peter Christian Lutkin (PDF), Peter Christian Lutkin Papers, Evanston, IL: Northwestern University, archived (PDF) from the original on 9 October 2022

nytimes.com (Global: 7^th place; English: 7^th place)

Anon 1993 Anon (11 June 1993). "Last Chance". The New York Times.
Genzlinger, Neil (20 December 2013). "A Cappella Contest Makes a Comeback". The New York Times. ISSN 0362-4331. Retrieved 10 May 2025.

oxfordmusiconline.com (Global: 1,618^th place; English: 923^rd place)

Holmes 2007 Holmes, William C. (2007). A cappella. Grove Music Online. Oxford Music Online. Retrieved 21 September 2008.
Pauley 2012 Pauley, Jared (10 July 2012). "Freestyle rap [Freestyling]". oxfordmusiconline. Retrieved 22 October 2014.{{cite web}}: CS1 maint: deprecated archival service (link)

playbill.com (Global: 217^th place; English: 114^th place)

Gans, Andrew (11 December 2016). "In Transit, New A Cappella Musical, Opens on Broadway". Playbill. Archived from the original on 2 January 2025. In Transit, Broadway's first a cappella musical, officially opens December 11

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Kilmer, Anne D. (1986). "Old Babylonian Musical Instructions Relating to Hymnody". Journal of Cuneiform Studies. 38 (1). The American Schools of Oriental Research: 94–98. doi:10.2307/1359953. JSTOR 1359953. S2CID 163942248.
van Camp 1965 van Camp, Leonard (1965). "The Formation of A Cappella Choirs at Northwestern University, St. Olaf College, and Westminster College". Journal of Research in Music Education. 13 (4): 227–238. doi:10.2307/3344375. JSTOR 3344375. S2CID 220635936.
Dunchan, Joshua (2012). "Recordings, Technology, and Discourse in Collegiate A Cappella". Journal of American Folklore. 125 (498): 488–502. doi:10.5406/jamerfolk.125.498.0488. S2CID 162252124 – via Project MUSE.

shircago.com (Global: low place; English: low place)

Shircago 2013 Shircago (2013). "Jewish A Cappella and Sefirat Omer". Shircago. Archived from the original on 1 February 2013. Retrieved 11 May 2013.

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Perera 2010 Perera, Mahes (29 August 2010). "September Song". Sunday Observer. Colombo, Sri Lanka. Archived from the original on 20 November 2012. Retrieved 27 April 2012.

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Anon 2010b Anon (2010b). "Manaka Singers on song". The Sunday Times. Colombo, Sri Lanka. Retrieved 27 April 2012.

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Alleman 2011 Alleman, Annie (2011). "Chicago a cappella sings music of high holidays". Chicago Sun times. Chicago, Illinois. Archived from the original on 24 January 2012.

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Finkle & Bacalzo 2006 Finkle, David; Bacalzo, Dan (22 August 2006). "FringeNYC 2006 Roundup 3: Reports on Perfect Harmony, t.l.c., The Infliction of Cruelty, and Don't Ask". TheaterMania. Retrieved 30 January 2013.

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"Finding Harmony in Nashville". tnecd.com. Tennessee Department of Economic & Community Development. 13 July 2015. Retrieved 2 December 2017. 800 chapters across the U.S. and Canada

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"The Persuasions: Frank Zappa's Pitch Perfect Gift to a Cappella Harmony". Trunkworthy. Retrieved 2 December 2017.

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Anon 2014 Anon (2014). "Voices Only A Cappella". Retrieved 31 July 2014.

web.archive.org (Global: 1^st place; English: 1^st place)

Melamed 2013 Melamed, Rabbi Eliezer (2013). "Mourning Customs During the Omer". yeshiva.org.il. Bet El Yeshiva Center. Archived from the original on 14 June 2007. Retrieved 3 January 2009.
Shircago 2013 Shircago (2013). "Jewish A Cappella and Sefirat Omer". Shircago. Archived from the original on 1 February 2013. Retrieved 11 May 2013.
Alleman 2011 Alleman, Annie (2011). "Chicago a cappella sings music of high holidays". Chicago Sun times. Chicago, Illinois. Archived from the original on 24 January 2012.
Futter 2013 Futter, Mike (21 October 2013). "Smooth McGroove Leads Us To Final Fantasy VII Victory". Game Informer. gamestop. Archived from the original on 21 October 2013. Retrieved 16 February 2014.
Hilliard 2013 Hilliard, Kyle (9 September 2013). "How Smooth Got His McGroove – The Introverted Acapella YouTube Artist". Game Informer. Archived from the original on 12 September 2013. Retrieved 16 February 2014.
Anon 2002 Anon (2002). "Avenue X". Lortel Archives-The Internet Off-Broadway Database. Lortel.org. Archived from the original on 21 March 2012. Retrieved 28 May 2011.
Anon 2010a Anon (2010a). "In Transit". Lortel Archives-The Internet Off-Broadway Database. Lortel.org. Archived from the original on 21 March 2012. Retrieved 28 May 2011.
Gans, Andrew (11 December 2016). "In Transit, New A Cappella Musical, Opens on Broadway". Playbill. Archived from the original on 2 January 2025. In Transit, Broadway's first a cappella musical, officially opens December 11
Burdett, Gillian (19 April 2017). "Barbershop Harmony Society to 'keep the whole world singing' in Lake George". The Lake George Examiner. Archived from the original on 15 January 2025. Retrieved 2 December 2017. the Society has 22,000 members
"Barbershop is universal; here are the contacts for our official affiliates". Barbershop Harmony Society. Archived from the original on 1 October 2018. Retrieved 2 December 2017.
"Strepsils Stereo brings A Capella to Pakistan for the first time". Dawn. 11 August 2017. Archived from the original on 14 January 2026. Retrieved 9 December 2017.
Perera 2010 Perera, Mahes (29 August 2010). "September Song". Sunday Observer. Colombo, Sri Lanka. Archived from the original on 20 November 2012. Retrieved 27 April 2012.
"Searching for Songs and Music Videos – voice print". 4 October 2016. Archived from the original on 4 October 2016. Retrieved 19 March 2018.

womensacappella.org (Global: low place; English: low place)

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worldcat.org (Global: 4^th place; English: 4^th place)

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Schluntz, Roger L. (1982). "Design Competitions: For Whose Benefit Now?". Journal of Architectural Education. 35 (4): 2–9. doi:10.2307/1424700. ISSN 0149-2993. JSTOR 1424700.
Chapman, Owen (1 July 2005). "The Affect of Selection in Digital Sound Art". M/C Journal. 8 (3). doi:10.5204/mcj.2357. ISSN 1441-2616.
Genzlinger, Neil (20 December 2013). "A Cappella Contest Makes a Comeback". The New York Times. ISSN 0362-4331. Retrieved 10 May 2025.

yeshiva.org.il (Global: low place; English: low place)

Melamed 2013 Melamed, Rabbi Eliezer (2013). "Mourning Customs During the Omer". yeshiva.org.il. Bet El Yeshiva Center. Archived from the original on 14 June 2007. Retrieved 3 January 2009.

youtube.com (Global: 13^th place; English: 14^th place)

"Jerusalem – Jacob Collier (Soundtrack for Beats by Dre: "The Game Starts Here")". YouTube. 22 September 2015. Archived from the original on 22 November 2021. Retrieved 28 June 2016.
Texas A&M Swaram | All American Awaaz 2017 | 1st Place. Retrieved 30 April 2024 – via www.youtube.com.
Texas A&M Swaram | All American Awaaz 2018 | 1st Place. Retrieved 30 April 2024 – via www.youtube.com.

A cappella (English Wikipedia)

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dawn.com (Global: 315^th place; English: 155^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

forward.com (Global: 1,367^th place; English: 767^th place)

gameinformer.com (Global: 523^rd place; English: 349^th place)

ghostarchive.org (Global: 64^th place; English: 28^th place)

history.com (Global: 852^nd place; English: 715^th place)

hollywoodreporter.com (Global: 30^th place; English: 22^nd place)

instagram.com (Global: 98^th place; English: 96^th place)

island.lk (Global: 5,320^th place; English: 2,800^th place)

issuu.com (Global: 408^th place; English: 312^th place)

jazztimes.com (Global: 4,087^th place; English: 2,315^th place)

jhu.edu (Global: 560^th place; English: 313^th place)

jstor.org (Global: 23^rd place; English: 15^th place)

jweekly.com (Global: 4,633^rd place; English: 2,677^th place)

loc.gov (Global: 63^rd place; English: 47^th place)

lortel.org (Global: 6,747^th place; English: 3,612^th place)

merriam-webster.com (Global: 425^th place; English: 373^rd place)

michigandaily.com (Global: 5,831^st place; English: 3,147^th place)

northwestern.edu (Global: 2,347^th place; English: 1,308^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

oxfordmusiconline.com (Global: 1,618^th place; English: 923^rd place)

playbill.com (Global: 217^th place; English: 114^th place)

proquest.com (Global: 121^st place; English: 59^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

sundayobserver.lk (Global: 6,016^th place; English: 3,381^st place)

sundaytimes.lk (Global: 2,526^th place; English: 1,278^th place)

suntimes.com (Global: 615^th place; English: 382^nd place)

theatermania.com (Global: 3,071^st place; English: 1,595^th place)

thecrimson.com (Global: 1,972^nd place; English: 1,015^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)

youtube.com (Global: 13^th place; English: 14^th place)