[5] Medeiros' debut as a recording artist under his current stage name came with the song *"The Life of Brian,"* produced by Noel Zancanella.

In addition to his solo work, Medeiros DJ'd for the local hip-hop group T.I.O., where he met Qq and TMAL (later known as Stro Elliot).

The album featured collaborations with Shad (rapper), ¡Mayday!, 20syl (of Hocus Pocus), and Italian trumpeter de:Kyle Gregory.

[17][18] The Procussions toured across the U.S., Canada, Japan, Australia, and Europe, known for their high-energy performances featuring live drums and DJ Vajra on turntables.

Mr. J. Medeiros debuted as a solo artist in 2007 with *Of Gods and Girls* on Rawkus Records, handling much of the production with contributions from Symbolyc One (S1), Illmind, 20syl, Stro Elliot, and others.

The album's single "Constance," addressing human trafficking, gained attention after its 2004 Myspace release, and the music video was featured on VH1 and CBS Evening News.

Medeiros also released *The Pale Blue Dot EP* (2012), with production by Stro Elliot and 20syl, and guest vocals from Shad.

The 20syl remix of "Pale Blue Dot" won an International Portuguese Music Awards for Best Hip Hop Single.

In 2014, Medeiros announced his final solo album, *Milk and Eggs*, a sample-free hip hop project funded via Indiegogo.

In 2017, Medeiros collaborated with Blanka of French group fr:La Fine Équipe and producer Tigerz to release *The Cutlery EP* (2018), blending electro and hip hop.

In 2018, the band released their debut album, KNIVES, which featured guest vocals by Mike Muir of Suicidal Tendencies.

The album also featured a varied lineup of drummers, including McCurdy, Aaron Spears, Thomas Pridgen, and Chris Johnson, with Jonny Goood on bass.

They released their debut album *Ego Go Pop* in May of that year, followed by a tour as the opening act for Deluxe at Le Zénith.

From 2016 to 2017, AllttA released their debut album, The Upper Hand, followed by the Facing Giants single series, both on fr: On and On Records.

The track was noted for its technical achievement, with AI technology mimicking Jay-Z's distinctive vocal tone and delivery.

Critics highlighted the accuracy of the simulation, showcasing AI's potential to replicate human voices for music production.

The albums were accompanied by a limited edition embossed-cover vinyl (only 100 made), they headlined Élysée Montmartrein Paris that year.

He wrote and performed the theme song for the Netflix series Fiasco, created by fr: Igor Gotesman and Pierre Niney.