Career
Since joining in 2004, Plummer has been one of three drummers for Modest Mouse, along with founding drummer Jeremiah Green and Benjamin Weikel. Before joining Modest Mouse, Plummer played with the indie rock bands The Black Heart Procession and The Magic Magicians. Plummer was one of the 88 drummers who participated in Japanese noise rock pioneers Boredoms 88 Boadrum performance on August 8, 2008.
In May 2009, Plummer replaced Jesse Sandoval as the drummer for The Shins.
Plummer also works as a freelance composer. He contributed music for the episodic comedy Antarctic..huh?, directed by Matt Hoyt with art direction and design by Jason Sherry.
An early version premiered at the Museum of Contemporary Art San Diego - Louisiana Jolla in the summer of 2010. On November 10, 2013, the Orange County Register announced that Matt Aveiro of Cold War Kids had left the band, and that Plummer would be holding his place indefinitely.
On July 15, 2014, the Cold War Kids released the first single, "All This Could Be Yours" from their fifth album Hold My Home, (released on October 21).