In existence in one form or another since the '90s, Project/Object features a dynamic lineup of mostly latter-day Zappatistas. Presenting this go-round is guitarist-vocalist Ike Willis; during Frank's final two decades, Willis fulfilled the role of mellow-toned crooner that Zappa had favored since the '60s (when doo-wop master Ray Collins fronted the original Mothers of Invention). Also expected is saxman Napoleon Murphy Brock from the mid-'70s Mothers, which some insist was Zappa's best band ever. It takes some effort to chase down Project/Object's existing discs these days, so catching the show is definitely the way to go.