Matthew Grau (born December 13, 2004), known professionally as Matt Ox, is an American rapper, singer, and songwriter from Philadelphia. He is best known for his 2017 single "Overwhelming", and for being featured on the 2018 album track "$$$" on XXXTentacion's sophomore album ? (2018).

Matt Ox
Grau performing in Anaheim, California on September 8, 2017
Grau performing in Anaheim, California on September 8, 2017
Background information
Birth nameMatthew Grau
Born (2004-12-13) December 13, 2004 (age 17)
Lawncrest, Philadelphia, Pennsylvania, U.S.
  • Rapper
  • singer
  • songwriter
Years active2016–present

Early lifeEdit

Ox was born in 2004.[1] He is from Lawncrest, Philadelphia.[2] Ox began pursuing hip hop when he was 11 years old. Since releasing music, Ox has been homeschooled.[3]


Ox was 12 years old when he released the music video for the single "Overwhelming" in 2017 featuring instrumentals by Oogie Mane.[3][1] He released singles with Warner before signing with Motown in 2018.[3] In March 2018, he worked with rapper XXXTentacion on the song "$$$", which was featured on his sophomore album, ?.[4] His debut album, Ox, was released October 30, 2018. It includes 11 songs less than three minutes long and has three songs featuring Chief Keef, Key!, and Valee.[5][6] It was produced by Working on Dying, a Philadelphia-based production crew.[1]

He released his first extended play on December 13, 2020, a 10-track EP entitled Sweet 16. His second extended play UNORTHODOX was released on February 12, 2021. Both EPs featured no guest appearances from other artists. Ox's second album YEAR OF THE OX released on January 31, 2022. The album featured guest appearances from Lancey Foux and UnoTheActivist.


Ox's music is a blend of dark trap music, melodic rap, tread, and horrorcore.[7] Some of his favorite artists include Soulja Boy and Lil B.[3][8]


Studio albumsEdit

Title Album details
  • Released: October 30, 2018
  • Label: Motown
  • Format: Digital download, streaming

Extended playsEdit

Title EP details
(with Zeus Ox and Ox Flacko)
  • Release: December 23, 2018
  • Label: Self-released
  • Format: Streaming


As lead artistEdit

Title Year Album(s)
"Overwhelming" 2017 Non-album singles
"Messages"[citation needed]
"Athlete"[citation needed]
"Deposits"[citation needed]
"Tesla"[citation needed] 2018
"Zero Degrees"[citation needed] Ox
(featuring Chief Keef)
(with Dro Fe and TheGoodPerry)
2019 Non-album singles
"Oh Dam"[9]

As featured artistEdit

Title Year Album(s)
(Valee featuring Matt Ox)
2018 Non-album singles
(Jimmy Edgar featuring Matt Ox)
2020 Cheetah Bend
(Andy Morin featuring Matt Ox)
2021 Non-album single

Other charted songsEdit

Title Year Peak chart positions Album(s)
(with XXXTentacion)
2018 2 45 ?


  1. ^ a b c Dandridge-Lemco, Ben (October 30, 2018). "Matt Ox is much more than a meme". The FADER. Retrieved 2019-06-08.
  2. ^ DeLuca, Dan (2017-11-14). "Matt Ox, the 12-year-old 'Overwhelming' rapper, wants to be the 'King of Philly'". The Philadelphia Inquirer. Retrieved 2019-08-21.
  3. ^ a b c d Ihaza, Jeff (2019-04-30). "Matt Ox is trap's strange new breed of superstar". Dazed Digital.
  4. ^ Coleman II, C. Vernon (March 26, 2018). "Matt Ox's Pitch for 2019 XXL Freshman - XXL". XXL. Retrieved 2019-06-08.
  5. ^ Haffenden, Dayna (October 30, 2018). "Matt Ox 'Ox' Album". XXL. Retrieved 2019-06-08.
  6. ^ Holmes, Charles (2018-10-19). "Valee and Matt Ox Are an Odd Couple That Make Things Work on "Awesome"". Rolling Stone. Retrieved 2019-06-08.
  7. ^ Alston, Trey (November 8, 2018). "Matt Ox: OX". Pitchfork. Retrieved 2019-06-08.
  8. ^ Berry, Peter A. (January 8, 2019). "Matt Ox Shows Love to XXXTentacion, 'The Incredibles' in His ABCs". XXL. Retrieved 2019-06-08.
  9. ^ "Oh Dam – Single by Matt Ox on Apple Music". Apple Music.