Shana Morrison and Jason Crosby will join Bob Weir for this week’s Weir Here webcast this evening. The performance and interview session will take place at Weir’s TRI Studios and will be broadcast online at 8:30 ET. Fans can leave their questions for Weir and his guests on TRI’s Facebook page. Singer Shana Morrison, the daughter of Van Morrison, has collaborated with Weir in the past. Crosby was in the area for a series of shows with God Street Wine at Phil Lesh’s Terrapin Crossroads.