Mast met his
Ratatat bandmate Mike Stroud when they were both students at
Skidmore College. They released their
self-titled debut album in 2004, followed by four more studio albums. Mast has released 7-inch singles on
Static Caravan Recordings and Mold Recordings, along with an
EP in collaboration with musician
Craig Wedren, most known as the lead vocalist and guitarist of the band
Shudder to Think. Mast also recorded a track titled "The Mule" for the TV show
Silicon Valley. Mast has written and produced hip hop music as E*vax. His first credit was the track "Look Alive" performed by rapper
Despot featuring Mast's own band
Ratatat from the record label
Definitive Jux compilation album
Definitive Jux Presents IV, released in 2009. Some years later he produced a track titled "$100 Bill" performed by rapper
Jay-Z, which is the opening track from ''
Music from Baz Luhrmann's Film The Great Gatsby'' released in 2013. Once again, he collaborated with Despot in 2015, producing the track "House of Bricks", the lead single from the rapper's debut studio album
We’re All Excited. In 2018, Mast worked together with rapper-producer
Kanye West on the so-called Wyoming Sessions, which led him to write and produce in the
Kids See Ghosts's
self-titled debut studio album tracks "
Feel the Love", "
Fire" and "
Reborn"; as well as the
Nas track "Adam and Eve" from the rapper's twelfth studio album
Nasir, and also a track from
Teyana Taylor's second studio album
K.T.S.E. titled "Rose in Harlem". The next year he co-produced "
Selah", the second track from Kanye West's ninth studio album
Jesus Is King, while he once again collaborated with Teyana Taylor, producing her single "
We Got Love" from her third studio album
The Album, released in 2020. As E.VAX, he released a self-titled album on September 17, 2021. It was announced in June 2021. He released two singles from the album, "Rabindra" and "Karst". ==Audio Dregs==