iTunes | App | Magic Piano by Smule, posted on Jun. 20, 2017, © 2017 Apple Inc. [online], [site visited Nov. 26, 2017]. Available from Internet, <URL: https://itunes.apple.com/au/app/magic-piano-by-smule/id421254504?mt=8>. |
Shutterstock | Image Vector | Hand Signs Icons, posted on May 20, 2017, © 2003-2017 Shutterstock, Inc. [online], [site visited Aug. 3, 2017]. Available from Internet, <URL: https://goo.gl/dA2ntb/>. |
Smule | Apps | Sing Karaoke, posted on Jul. 12, 2017, © 2017 Smule, Inc. [online], [site visited Nov. 26, 2017]. Available from Internet, <URL: https://www.smule.com/apps/>. |
Trademark Serial No. 87431053, Apr. 29, 2017 (filing date), (Applicant) Robert Lewis Individual United States. |
YouTube | Beethoven—Fur Elise (Bagatelle No. 25), published on Feb. 7, 2015 by Music Addict, © 2017 YouTube, LLC, [online], [site visited Nov. 26, 2017]. Available from Internet, [frames 1:12-1:20] <URL: https://www.youtube.com/watch?v=CEpNzzLZPyo/>. |