Ivy-League indie rockers Vampire Weekend refine all the energy, wit and charm of their songs for this pitch-perfect 'MTV Unplugged' performance.

Adam Lambert performs an acoustic set.

Irish pop rock band The Script performs an acoustic concert in New York City, featuring fan favorite tracks such as "Breakeven," "The Man Who Can't Be Moved," "Before The Worst," "We Cry" and several others in March 2010.

Returning from their three year hiatus, Train perform music off their new album, 'Save Me San Francisco' as well as one of their all time hits, 'Drops Of Jupiter' in this soul searching Unplugged.

Swedish indie vocalist Lykke Li provides an intimate acoustic performance of songs from her debut album, including "I Follow Rivers," "Dance Dance Dance," "Sadness is a Blessing," "I Know Places," "Jerome," and "Possibility.

English pop and soul singer Adele performs an acoustic concert in New York City for VH1 Unplugged. Featuring hits such as "Rolling in The Deep" and "Someone Like You," and a cover of the classic song "Natural Woman.

English folk rock band Mumford and Sons perform private and intimate concert in New York City for their fans, including hits such as "Roll Away Your Stone," "Little Lion Man," and "Sigh No More" during the spring of 2011.

Los Angeles rock band 30 Seconds to Mars performs an acoustic concert in New York City, featuring a selection of fan favorite hits such as "Hurricane," "Kings and Queens," "Closer to the Edge," and numerous others during May 2011.

American pop rock singer-songwriter Kelly Clarkson performs a selection of her hits at an acoustic concert in New York City, featuring a variety of her older tracks, as well as songs from her 2011 album, "Stronger.