He has played with Tender Fury, The Vandals, One Hit Wonder, Candlebox, and as a live member of the Red Hot Chili Peppers.
[8][9] During this time, Allen made his primary living as a guitar tech for the Red Hot Chili Peppers.
Occasionally he played with the band as a live guitarist and backup singer, and opened shows for them as a solo act, sometimes with Chad Smith drumming.
[1][10] In 1996, Allen recorded the album Monkey on Rico as part of the band Thermadore, a project that featured Chad Smith, Josh Freese, and Stone Gossard.
[4] In 2017, Allen played in an act called "Cowboy and Indian" with Antoine Arvizu and Sublime bassist Eric Wilson.