[4] Born in Colorado, Smith was raised in Las Vegas, Nevada and attended Bishop Gorman High School,[5] with former bandmate Ryan Ross.

Smith has played the percussion parts on the band's first four studio albums, A Fever You Can't Sweat Out (2005), Pretty.

[citation needed] In 2007, members of The Cab sent Smith a demo and he helped sign them to Pete Wentz's record label, Decaydance.

Prior to the release of Vices & Virtues, Smith co-starred with Brendon Urie in a seven-minute short film, called The Overture, directed by Shane Drake.

at the Disco from the current duo with the addition of new band members saying, "We knew it would be just me and Brendon, but we have also left the option open to work with other people.

"[9] Smith also stated that being on tour is his favorite part of the musical process, though that would be impossible without work in the recording studio.

[9] On August 2, 2013, he released an open letter to his fans, coming clean about his battle with alcohol and prescription pills.

[11] On August 7, 2013, Brendon Urie announced via the band's website that Smith would no longer be taking part in the tour, stating that "He is away getting the help that he needs.