Aura Stefani Germanotta, Erez Eisen, Amit Duvdevani, Anton Zaslavski, David Ritter, Lady GaGa Piano, Guitar Club/Dance, Gospel, Dance, Pop, Electronic
Austin Eric Johnson, Kirsti Manna, David Kent, Blake Shelton Piano, Guitar, Electric guitar Country, Pop, Rock, Folk, Jazz
Australia Manic Street Preachers, James Dean Bradfield, Joe Jonas, Kevin Jonas II, Sean Moore, James Mercer Guitar, Piano, Electric guitar Pop Rock, Teen Pop, Rock, Folk, Country
Authority Song David M Fagnant, John Mellencamp, John Cougar Mellencamp Piano, Guitar, Ukulele, Electric guitar Heartland Rock, American, Pop, Rock, Jazz
Autobiography Ashlee Simpson, Kara DioGuardi, John Shanks Piano, Guitar Dance-pop, Folk, Pop, Teen Pop
Autumn '68 Pink Floyd, Richard Wright, Rev. J. Troutbeck Guitar, Electric guitar Pop Rock, Pop, Progressive Rock, Hard Rock, Psychedelic Rock
At Seventeen Janis Ian, Celine Dion Piano, Guitar, Viola, Ukulele, Clarinet, Violin Folk Rock, Pop, Rock, Folk, Pop Rock
At The End Of This War Corey Beaulieu, David Draiman, Matthew Heafy, Paolo Gregoletto Guitar, Electric guitar Rock, Pop Rock, Pop, Folk, Heavy Metal
A Very Merry Christmas Paul Weston, Stephen DeCesare, Donald Moore Trumpet, Piano, Guitar Gospel, Children, Pop, Stage & Screen
Awake Abraham Cowley, Kay Hanley, Stacy Jones, Greg McKenna, Michael Eisenstein, Eric Mouquet Piano, Guitar, Harpsichord, Bass, Electronic keyboard, Electric guitar Alternative Metal, alternative, Rock, Pop, New Age
Awakening Chick Corea, Jonathan Foreman, James Gilbert, Chris Tomlin, Hillsong United, Paul Cardall Guitar, Piano, Tenor, Viola, Baritone Saxophone, Alto Saxophone Contemporary Christian, Latin, Jazz, Blues, Gospel
August Stephen Flaherty, Juliana Akemi, Jack Michael Antonoff, Jack Antonoff, Taylor Swift, Glauco Fernandes Guitar, Piano, Cello, Violin, Viola, Tenor Saxophone Classical, Country Pop, Folk, Pop, Pop Rock
Aunt Lisa Bill Kelliher, Mastodon, Brann Dailor, Brent Hinds, Troy Sanders Guitar Pop Rock, Rock, Folk, Pop
