Band played two-and-a-half hour set that included four covers
The former Sunny Day Real Estate member has debuted the song 'Believe The Squalor'
Dave Grohl tells crowd: "OK, we got a new Foo Fighters song"
The band played a surprise show at the LA Forum for Dave Grohl's 46th birthday
Band will play benefit gig at Los Angeles Forum on January 10
Band perform track with accompaniment of string orchestra
Group hope cover will lead to Foo Fighters gig in region
Song unearthed in episode of 'Sonic Highways' series
The eight part series accompanied Foo Fighters' recent album of the same name
Season One of the show documented the making of the Foo Fighters' latest album
The Foo Fighters frontman also tells DJ Howard Stern about jamming with Prince
Song is one of 40 Grohl recorded before starting Foo Fighters
"He was so excited," Grohl says in latest episode of 'Sonic Highways'
The song features on their recently released new album 'Sonic Highways'
Support for the Irish date will come from Kaiser Chiefs and Hozier
Foo Fighters frontman also explains why The Kardashians scared him off smoking pot forever
'If the Number One song is about your butt, that’s a problem,' says Grohl
US policy is an attempt to ensure fans get tickets direct
Foo Fighters frontman admits that his band struggle in a digitised world