Green Day’s frontman Billie Joe Armstrong has posted an update on his Instagram account of himself in front of a vocal booth, with the caption ‘January 2016’. In April of last year, producer Rob Cavallo said the group had been back at work in the studio to release the follow-up to their 2012 album trilogy “Uno, dos and tre“. “Let me tell you, they were just fantastic. He is absolutely at the top of his game. Fans can be sure that when they do return, the music will be amazing” he said.