Bob Weir’s TRI Studios continues to expand its live webcast offerings. On Tuesday September 27 Weir will welcome his old friend Sammy Hagar into the space. Hagar will appear with his current group Chickenfoot, which also features guitarist Joe Satriani, former Van Halen bassist Michael Anthony and drummer Kenny Aronoff. The group will perform songs from Chickenfoot III which comes out that day and then host a Q and A with fans. This free webcast will begin at 6 PM PDT.