AC/DC Heading Back Into The Studio

WILKES-BARRE, PA - OCTOBER 28: Singer Brian Johnson(L) and Angus Young of AC/DC perform during their 'Black Ice' Tour Opener on October 28, 2008 in Wilkes-Barre, Pennsylvania.
It's May Day (May 1), which means AC/DC is ready to get to work on its next album.

As previously reported, the group -- sans ailing guitarist Malcolm Young -- is in Vancouver with producer Brendan O'Brien, who also produced 2008's "Black Ice." ACDCfans.net posted photos on Facebook of crew members and band gear in the studio, declaring that "It's happening AC/DC fans!"

Frontman Brian Johnson also tipped the May 1 start date during his appearance on Quest TV's Cars That Rock. There's no word yet on how much material the group has ready or if another guitarist will work with the band in Young's place. A release is hoped-for before the end of the year, But AC/DC is also known for taking a notoriously long time in the studio.