Foo Fighters will play their first show of 2015 on Saturday in Los Angeles.
The band announced the sudden event today with tickets on sales from 7pm tonight (California time).
The show will benefit the Rock School Fund, MusiCares and Sweet Relief Musicians Fund.
Foo Fighters last show was on December 13 in Johannesburg, South Africa.
The band will tour Australia and New Zealand in February for Frontier Touring.
Foo Fighters Australian and New Zealand dates
February 18, Christchurch, AMI Stadium
February 21, Auckland, Mt Smart Stadium
February 24, Brisbane, Suncorp Stadium
February 26, Sydney, ANZ Stadium
February 28, Etihad Stadium
March 2, Hobart, Derwent Entertainment Centre
March 4, Adelaide, Coopers Stadium
March 8, Perth, NIB Stadium