The Beastie Boys' Mike D released his first new song in 15 years, and debuted more from an upcoming album during the first stop of a surprise tour.

The experimental song is the first new music from a member of the B-Boys since their final album, 2011's Hot Sauce Committee Part Two and D's first-ever solo single.

We were just kids/freaking out” sang Beastie Boys’ Mike D last night to about 150 people inside Los Angeles’ cash-only gay dive bar The Plaza Nightclub & Dance Hall. He dropped the line toward the end of his first of four rare and intimate solo shows,

It’s been fourteen years since the Beastie Boys came to a natural end with the death of Adam ‘MCA’ Yauch. Now one of his two surviving bandmates, Mike D, has announced his debut solo single. It’s called Switch Up and is already out now.

Beastie Boys’ Mike D has released his first song as a solo artist, “Switch Up.” The song, which was produced by the band and Carter Lang, is the first new music from any singular Beastie Boy since 2011’s Hot Sauce Committee Part Two.

Beastie Boys member Michael "Mike D" Diamond has released his debut solo single.The track is called "Switch Up." It's available now via digital outlets, and you can watch its accompanying visualizer

"We were just kids/freaking out" sang Beastie Boys' Mike D last night to about 150 people inside Los Angeles' cash-only gay dive bar The Plaza Nightclub & Dance Hall. He dropped the line toward the end of his first of four rare and intimate solo shows,

Mike D makes a viral return. Mike D’s surprise performance with his sons sparked viral excitement and fan nostalgia. New live shows announced in Los Angeles, Brooklyn, and Paris following the viral moment.