J Boog Songs: Let's Do It Again (Nice to Know Ya)
J-Kwon Songs: Tipsy
Felix Jaehn
Songs: Cheerleader (feat. OMI) - Ain't Nobody (Loves Me Better) (feat. Jasmine Thompson) - Close Your Eyes (& Vize & Miss Li) - Hot2touch (feat. Alex Aiono & Hight) - Book of Love (feat. Polina)
Cornelia Jakobs
Also known as Anna Cornelia Jakobsdotter Samuelsson
Songs: Hold Me Closer (Eurovision Sweden)
Floor Jansen Songs: Shallow (Beste Zangers 2019) - Fire - Let It Go - Euphoria
Jax
Jackie Miskanic
Songs: Victoria's Secret - Like My Father - 90's Kids
Jekyll & Hyde (musical)
Musicals & Broadway - The Strange Case of Dr Jekyll and Mr Hyde (Louis Stevenson)
Songs: This Is the Moment - A New Life - Bring on the Men - Someone Like You - Once Upon a Dream
Lyfe Jennings Songs: Must Be Nice - S.E.X. (& LaLa Brown) - Freeze (& LL Cool J)
Jeremih
Jeremih Felton
Songs: Birthday Sex - Down On Me (feat. 50 Cent) - Somebody (feat. Natalie La Rose) - Imma Star (Everywhere We Are) - Break Up To Make Up
Jesse & Joy
Songs: Corre - La de la mala suerte (feat. Pablo Alborán) - 3 A.M. (feat. Tommy Torres)
Jessie J
Jessica Ellen Cornish
Songs: Bang Bang - Price Tag (feat. B.o.B) - Thunder - I Need This - Mamma Knows Best
Jessy Songs: Dancing in the Dark (& Micky Modelle)
Jethro Tull
Ian Anderson, Martin Barre, David Goodier, John O'Hara & Doane Perry
Songs: Hymn 43 - Mother Goose - Living in the Past - Skating Away (On the Thin Ice of the New Day) - Locomotive Breath
Jigsaw Songs: Sky High
The Jive Aces Songs: Bring Me Sunshine (feat. Toni Elizabeth Prima) - White Cliffs of Dover
Joji
Also known as Filthy Frank, Pink Guy & George Kusunoki Mille
Songs: Glimpse of Us - Slow Dancing in the Dark
Nick Jonas
Nick Jonas & The Administration
Songs: Jealous - Introducing Me (From Camp Rock musical) - Close (feat. Tove Lo) - Bacon (feat. Ty Dolla Sign) - Levels
Jonasu Songs: Black Magic (feat. Rani)
Jax Jones
Songs: Where Did You Go? (& MNEK) - You Don't Know Me (feat. Raye) - Instruction (feat. Demi Lovato & Stefflon Don) - Breathe (feat. Ina Wroldsen) - This is Real (& Ella Henderson)
Jose De Rico Songs: Rayos de sol (feat. Henry Mendez)
Journey
Neal Schon, Ross Valory, Jonathan Cain, Deen Castronovo & Arnel Pineda
Songs: Don't Stop Believin' (Small Town Girl) - Separate Ways (Worlds Apart) (Steve Perry and Bryce Miller extended remix) (Stranger Things) - Separate Ways (Worlds Apart) - Chain Reaction - Faithfully
Jul Songs: Bande organisée (& SCH, Kofs, Naps, Soso Maness, Elams, Houari & Solda) - Tchikita - On m'appelle l'ovni
Julie and the Phantoms
Madison Reyes, Charlie Gillespie, Cheyenne Jackson, Jadah Marie & Savannah Lee May
Songs: Unsaid Emily (Charlie Gillespie) - Wake Up (Madison Reyes) - Bright - Flying Solo - Edge of Great
Juvenile Songs: Back That Azz Up (feat. Lil Wayne & Mannie Fresh) - Slow Motion (feat. Soulja Slim)