Trojan Marching Band plays the Grammys

Hollywood's band rocked out at the Grammys on Sunday night.

The USC Trojan Marching Band was on stage with Radiohead for "15 Step," and the performance has leaked onto YouTube.

Just a few months ago, the band made a big showing at the "American Idol" season finale.

Of course, it also played the 2004 Grammys with OutKast.

What's it like being a part of the Spirit of Troy? Drum Major Eddie Carden wrote about it in a recent issue of Halftime Magazine.

-- Adam Rose

Photo: Radiohead and the USC Trojan Marching Band at the Grammys. Credit: Mark J. Terrill/AP.