Donnelly, Stuart (2016). TASC Test Assessing Secondary Completion For Dummies. Wiley. p. 621. ISBN978-1-118-96644-0. The keytar is a lightweight keyboard that can be worn on a strap around the neck so that the player can hold it across his or her chest.
Fortner, Stephen (September 2010). "KEYTARS PAST AND PRESENT". Keyboard. 36 (9): 74. Archived from the original on 29 August 2018. Retrieved 24 September 2016.
"Rockeyboard RB-1". Hillwood Keyboard / Synthesizer Catalog 1977. Hillwood Musical Instrument/Zen-On. Archived from the original on 2012-06-08. Retrieved 2011-12-28.
Fortner, Stephen (September 2010). "KEYTARS PAST AND PRESENT". Keyboard. 36 (9): 74. Archived from the original on 29 August 2018. Retrieved 24 September 2016.
"Rockeyboard RB-1". Hillwood Keyboard / Synthesizer Catalog 1977. Hillwood Musical Instrument/Zen-On. Archived from the original on 2012-06-08. Retrieved 2011-12-28.