Janis Joplin Buried alive in blues?

Tom: G Janis Joplin & the Big Brother and the holding company. Riff I : (1st time) (2nd time) Riff II: (1st time) (2nd time) Riff I and repeat on and on the 1st time. Riff II Bridge: G / D / C / G Repeat riff I on and on. Bridge II: G / C / G / C Riff II ends like this: