ScHoolboy Q
Also known as Quincy Matthew Hanley
Songs: Collard Greens (& Kendrick Lamar) - Am I Wrong (& Anderson .Paak) - White Walls (& Macklemore & Ryan Lewis & Hollis) - 2 On (& Tinashe)

Suzi Quatro
Susan Kay Quatrocchio
Songs: Stumblin' In (& Chris Norman) - If You Can't Give Me Love - Devil Gate Drive - The Wild One - She's in Love With You

Quavo
Songs: Congratulations (& Post Malone) - Strip That Down (& Liam Payne) - Tough (& Lana Del Rey) - I'm the One (& Justin Bieber, DJ Khaled, Chance the Rapper & Lil Wayne) - No Brainer (& Justin Bieber, DJ Khaled & Chance the Rapper)

Queen
Freddie Mercury, Brian May, Roger Taylor & John Deacon

See also: We Will Rock You (musical)
Songs: Don't Stop Me Now - Bohemian Rhapsody - The Show Must Go On - I Want to Break Free - Crazy Little Thing Called Love

Queen Latifah
Songs: When You're Good to Mama (Chicago (film)) - I Know Where I've Been (Hairspray (2007 film)) - Come So Far (Got So Far To Go) (From Hairspray (2007 film) movie soundtrack) - U.N.I.T.Y. - As Time Goes By (& Rod Stewart)

Queens of the Stone Age
Josh Homme, Troy Van Leeuwen, Joey Castillo, Dean Fertita & Michael Shuman
See also: Mark Lanegan
Songs: No One Knows - Make It wit Chu - Smooth Sailing - Go with the Flow - I Sat by the Ocean

Queensrÿche
Songs: The Lady Wore Black - Silent Lucidity - Anybody Listening? - I Don't Believe in Love - Empire

Quiet Riot
Songs: Metal Health (Bang Your Head) - Cum on Feel the Noize - Mama Weer All Crazee Now

Freddy Quinn
Songs: La Paloma - Junge, Komm Bald Wieder - Seemann, deine Heimat ist das Meer - Heimweh (Dort wo die Blumen blüh'n) - Die gitarre und das meer