Mark Hoppus and Travis Barker recently replaced the singer with Alkaline Trio frontman Matt Skiba
Alkaline Trio frontman has been playing live with the band since departure of Tom DeLonge
The guitarist and singer recently claimed to have co-written 15 books
Pop-punk band's future has been uncertain since album sessions were cancelled in January
Singer plots "audio-visual landscapes" and a flagship retail store in California
Alkaline Trio frontman has stood in for Tom Delonge since his departure and is keen to make switch permanent
The Alkaline Trio frontman joined the group for a trio of shows last month following Tom DeLonge's departure
Former Blink-182 releases solo album 'To The Stars... Demos, Odds And Ends' later this month
The travelling festival begins on June 17 and will tour through over 40 US states
The track will feature on the 'To The Stars... Demos, Odds And Ends' album, set for release on April 20