Barera has been active as a DJ for over 15 years and has been releasing music since 2011. Resident Advisor called him one of the "New York techno scene's hardest-working DJs.” He is the co-founder of JACK DEPT, the techno/acid label with Volvox, co-founder of Supply Records, member of B-Tracks and an internationally touring DJ. He runs his own label called Cross Street Music. With his informed DJ style and insatiable appetite for new and old music of all kinds, Barera has forged a career that has taken him all over. This has included sets at some of the most iconic clubs including Hot Mass, Fabric, Smart Bar, Razzmatazz, Panorama Bar, Tangent Gallery Detroit, Tresor Berlin, Public Works & Space Miami's Floyd. At his core Barera is a club DJ, a diehard music head, and someone who knows how to do a proper set at an open air event. Barera’s productions have appeared on labels including Allergy Season, BOUND NYC, 2MR, Basement Floor, Sorry Records & Dolly. His tracks have been supported by top tier DJs and praised by outlets like Pitchfork and RA. John’s collaborative album with Will Martin, ‘Graceless' was released on Steffi’s Dolly label in 2014 after a successful track on her Panorama Bar mix. Their second album ’Proceed to the Root’ was released on 2MR in September 2017 and a follow up EP for the same label called "Life, the Heavens and Earth" arrived in 2019. In 2020, Barera released his debut self titled solo album on Cross Street Music and his album "Wild Going Forward" was also released there in 2021. 2022 has been a busy musical year for Barera. At the beginning of the year he dropped the Re-Enforcers EP alongside Paul Morse on Dutch label Patron records. Support and feedback was huge amongst very respected selectors on both sides of the Atlantic. He also dropped a solo 12 inch on NYC's Off Track Recordings and a colab EP on Sorry Records with Brian Abelson. In 2022 he scored his first film, "Marc17 in the House" , it had its first sneak peak screening at a sold out Dancing on the Charles event in his hometown of Boston that July.