Dead to the Core, a rotating collective of singer-songwriters led by musician/author Jeffrey Pepper Rodgers brings an acoustic celebration of the Grateful Dead to Club Passim on Saturday, July 1st. Joining Rodgers (guitar and Strumstick) are Jefferson Hamer (guitar), Wendy Sassafras Ramsay (flute, clarinet, and accordion), and Steve Roy (upright bass, mandolin, fiddle, guitar, and ukulele).