Paulo Baldi, who was the drummer for Liar, also joined McFadden in the band Alien Lovestock, which was self-described as "chili-powered, hard rockin', avant-funk, Latin, surreal-desert groove."

McFadden toured extensively between 2002-2010 with his trio, EMT, which features bassist, James Whiton and a revolving cast of drummers such as Jeff Cohen, Paulo Baldi, and Kevin Carnes.

In 2004, McFadden joined Stockholm Syndrome with Widespread Panic bassist Dave Schools, singer-guitarist Jerry Joseph and drummer Wally Ingram.

McFadden has worked with Les Claypool, Joe Strummer, The Reverend Horton Heat, The Coup, Galactic, Keb' Mo, Bernie Worrell, Pat MacDonald, Fishbone, Widespread Panic, Jackson Browne, Nels Cline, and Mike Watt, among many others.

He has released several albums through the French label Bad Reputation, including Dementia and Pull a Rabbit Out Of His Hat, Tribute Vol 2 on which McFadden pays homage to his favorite artists.