Dave Grohl & Brandi Carlile Busk in Seattle

It's less important to ask why Dave Grohl joined Brandi Carlile and the twins from her band,Tim and Phil Hanseroth, in busking two songs in front of Seattle's Pike Place Market on Saturday, than to enjoy the fact that they actually did it.

Carlile wrote on social media that she “got nostalgic and decided to swing by my old busking spot at Pike Place Market…honestly one of the most surreal moments of my life.”

She didn't address why the four decided to return there when they did. What we know is that they performed The Beatles' "Let It Be" and Grohl's Foo Fightersanthem "Times Like These" before departing for less nostalgic pursuits.