J-Ax Songs: Italiana (& Fedez)
J-Kwon Songs: Tipsy
The Jackson 5
Also known as The Jackson Five, The Jackson 5ive, J5, The Jacksons
See also: Michael Jackson

Songs: Who's Lovin' You - Shake Your Body (Down to the Ground) - Medley: I Want You Back / ABC / The Love You Save (live in Japan) - This Place Hotel (aka Heartbreak Hotel) - ABC
Felix Jaehn Songs: Ain't Nobody (Loves Me Better) (feat. Jasmine Thompson) - Cheerleader (feat. OMI) - Hot2touch (feat. Alex Aiono & Hight) - Book Of Love (feat. Polina) - Bonfire (feat. Alma)
Jagged Edge
Songs: Where the Party At (feat. Nelly) - I Got It (& Trina & JD)
Nicky Jam Songs: El perdón (feat. Enrique Iglesias) - X (& J Balvin) - Muévelo (& Daddy Yankee) - Cásate conmigo (feat. Silvestre Dangond) - El Amante
Jamie T Songs: Zombie
Floor Jansen
Songs: Euphoria - Shallow (Beste Zangers 2019) - Let It Go
Maurice Jarre Songs: Lara's Theme (Doctor Zhivago)
Jekyll & Hyde (musical)
Musicals & Broadway - The Strange Case of Dr Jekyll and Mr Hyde (Louis Stevenson)
Songs: This Is the Moment - A New Life - Someone Like You - Confrontation - Bring On The Men
Lyfe Jennings Songs: Freeze (& LL Cool J) - S.E.X. (& LaLa Brown)
Jeremih Songs: Birthday Sex - Imma Star (Everywhere We Are) - Don't Tell Em (feat. YG) - Down On Me (feat. 50 Cent) - Somebody (feat. Natalie La Rose)
Jethro Tull
Ian Anderson, Martin Barre, David Goodier, John O'Hara & Doane Perry
Songs: Locomotive Breath - Aqualung - Thick As a Brick (Edit No. 1) (Radio Edit) - Teacher - Mother Goose
Jigsaw Songs: Sky High
The Jive Aces Songs: Bring Me Sunshine (feat. Toni Elizabeth Prima) - White Cliffs of Dover
Joey + Rory
Rory Lee Feek & Joey Martin Feek
Songs: When I'm Gone - Free / Into The Mystic (live (& Zac Brown Band)) - Play The Song - Cheater, Cheater
Nick Jonas
Nick Jonas & The Administration
Songs: This Is Heaven - Jealous - Introducing Me (From Camp Rock musical) - Levels - Close (feat. Tove Lo)
Jax Jones Songs: This is Real (& Ella Henderson) - Breathe (feat. Ina Wroldsen) - You Don't Know Me (feat. Raye) - One Touch (& Jess Glynne) - Harder (& Bebe Rexha)
Journey
Neal Schon, Ross Valory, Jonathan Cain, Deen Castronovo & Arnel Pineda
Songs: Don't Stop Believin' (Small Town Girl) - Stay Awhile - The Party's Over (Hopelessly in Love) - Faithfully - Open Arms
Julie and the Phantoms
Madison Reyes, Charlie Gillespie, Cheyenne Jackson, Jadah Marie & Savannah Lee May
Songs: Edge of Great - Unsaid Emily (Charlie Gillespie) - Stand Tall - Wake Up (Madison Reyes) - Bright
Junior M.A.F.I.A.
See also: Lil' Kim, The Notorious B.I.G., Lil' Cease, Trife, Larceny, Nino Brown, Chico Del Vec, MC Klepto, Capone & Bugsy
Songs: Get Money (feat. The Notorious B.I.G. & Lil' Kim) - Player's Anthem (feat. The Notorious B.I.G.)
Juvenile
Songs: Back That Azz Up (feat. Lil Wayne & Mannie Fresh)