Portugal. The Man Bring USC Marching Band Along for 'Ellen' Performance

Last month, Portugal. The Man performed “Live In The Moment” on Colbert, and yesterday (March 15), the band one-upped that bad boy for Ellen.

• RELATED: Portugal. The Man Perform "Live In The Moment" with Drumline & Children's Choir on 'Colbert'

Below, watch the USC Marching Band take over the stage, while the band plays on as if nothing’s happening.

After a St. Patrick’s Day show in Wyoming, Portugal. The Man continue their tour April 11 in Reno, NV. What’s it like to tour with the band (at least as it pertains to food on the road)? Find out in our exclusive interview below!

• RELATED: Portugal. The Man Talk "Hail Satan" GRAMMY Moment & More