Simpson, Dave (20. mai 2013). «How we made: Richard Branson and Mike Oldfield on Tubular Bells». The Guardian (på engelsk). ISSN0261-3077. Besøkt 14. august 2020. «After setting up the first Virgin record shop in London, we scraped together some money and bought a rundown country house and converted its squash court into a recording studio called the Manor. One day, an engineer from the Manor rang me and said he'd heard this incredible instrumental demo tape by a teenager called Mike Oldfield.»
Montreux Jazz Festival Database, Montreux Jazz Festival konsert ID 112, WikidataQ99181182
worldcat.org
Simpson, Dave (20. mai 2013). «How we made: Richard Branson and Mike Oldfield on Tubular Bells». The Guardian (på engelsk). ISSN0261-3077. Besøkt 14. august 2020. «After setting up the first Virgin record shop in London, we scraped together some money and bought a rundown country house and converted its squash court into a recording studio called the Manor. One day, an engineer from the Manor rang me and said he'd heard this incredible instrumental demo tape by a teenager called Mike Oldfield.»
