Frank Black calls the song a 'thank-you letter' to the band's former bassist
The six shows are in support of new album ‘Head Carrier’
Band release new album 'Head Carrier' in September, their second record without Deal
Biffy Clyro also celebrated the release of new album 'Ellipsis' at Portuguese event
‘Head Carrier’ sees Paz Lenchantin become their official bassist
Band unveil trailer video with caption: "Pixies coming... 2016"
Band will play gig at O2 Brixton Academy
The band are working on music, following on from last year's comeback album 'Indie Cindy'
Drummer David Lovering also reveals that he's a fan of Royal Blood in new interview
"I just want to fucking play music and make art," Pixies singer adds