Joanna Newsom showcases her accomplished harp playing and avant garde vocals in "Bridges and Balloons."

Get a backstage glimpse as The Head and the Heart rehearse "Lost in My Mind" in preparation for taping Austin City Liimits.

Go behind the scenes at Austin City Limits as Uk rockers Gomez rehearse for their taping.

Seattle's The Head and the Heart showcase seamless harmonies and piano-based melodies.

Watch a preview from Gomez's Austin City Limits performance with "See the World."

Coldplay returns to Austin City Limits for a special 90-minute New Year's Eve special featuring their latest release Mylo Xyloto, hits spanning their career, as well as a midnight countdown to 2012. Here's a behind-the-scenes look at the taping day.

Austin City Limits presents one of the most requested episodes in the show's 37-year history: an unforgettable performance of Tom Waits captured in December of 1978.

Tom Waits performs in this classic episode from 1979.

Songwriting legend Randy Newman takes the ACL stage with a selection of his greatest tunes. Here he performs his classic from the "Toy Story" films.

Jeff Bridges performs "What a Little Bit of Love Can Do" the first single off his self titled album.

During her second visit to Austin City Limits, Miranda Lambert performs "Gunpowder and Lead" her very first country top 10 hit.

Check out what went on behind the scenes as the veteran actor took the ACL stage to showcase songs from his debut album.

The Preservation Hall Jazz Band put their spin on the 1929 gospel classic "I'll Fly Away"