It's a Springsteen Family Affair as Bruce Jams with the Scialfas at Private Asbury Park Show: Watch

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Bruce Springsteen performs live on stage with the E Street Band at Allphones Arena on February 19, 2014 in Sydney, Australia.

The Boss made another surprise appearance at New Jersey haunt the Wonder Bar.

Bruce Springsteen made another appearance in Asbury Park, New Jersey this weekend performing onstage at The Wonder Bar.

Springsteen and his wife Patti Scialfa joined her brother Michael Scialfa’s band Timepiece onstage at a private party, according to the group’s Facebook page.

Bruce Springsteen Plays Surprise Set at Asbury Park Club, Joins Joe Grushecky for Fan Favorites: Watch

Springsteen took over on vocals for the Van Morrison hit, “Brown Eyed Girls” and Creedence Clearwater Revival’s “Born on the Bayou.” He also played rhythm guitar and assisted on the classic songs, “634-5789" and "You Really Got a Hold on Me."

Springsteen was at the venue two weeks earlier onstage with the Pittsburgh band, Joe Grushecky and the Houserockers for a two hour show. He also made an appearance onstage with U2 for two songs at Madison Square Garden on July 31.

Watch below: