O'G3NE Songs: Het Is Over - Lights and Shadows - Magic - Change Will Come (The Voice Of Holland Live)
Aitana Ocaña Songs: Lo malo (& Ana Guerra) - Teléfono
Frank Ocean Songs: Sweet Life - Slide (feat. Calvin Harris & Migos) - Super Rich Kids (feat. Earl Sweatshirt) - Thinkin Bout You - Novacane
Esther Ofarim
Songs: Morning Of My Life (duett mit Abi Ofarim)
Ofenbach
Songs: Katchi (feat. Nick Waterhouse) - Be Mine - Paradise (feat. Benjamin Ingrosso) - Party ((feat. Wax & Herbal T))
Fito Olivares Songs: Fin de semana (Cumbia)
OMC Songs: How Bizarre
Once
Soundtrack (2007)
Songs: Falling Slowly (Glen Hansard & Markéta Irglová)
Trijntje Oosterhuis Songs: Kleine Jongen (Live) - Ken je mij - Kom maar bij mij (Beste Zangers 2018) - Knocked Out - De zee
OutKast
Songs: Hey Ya! (Radio Mix - Club Mix) - Int'l Players Anthem (I Choose You) (feat. UGK) - The Way You Move (feat. Sleepy Brown) - Wat Da Hook Gon Be (& Murphy Lee) - Roses (feat. Big Boi)
Buck Owens
Buck Owens & His Buckaroos
Songs: Streets of Bakersfield (& Dwight Yoakam) - Act Naturally - Medley (Nathan Carter Live) - Crying Time (& His Buckaroos) - Under Your Spell Again
Owl City
Adam Young
Songs: Fireflies - Good Time (& Carly Rae Jepsen) - Vanilla Twilight - Umbrella Beach - Shine Your Way (feat. Young & Yuna)