There are two groups under the names The Buchanan Brothers: 1. In 1969, Terry Cashman of 1981's "Talkin' Baseball" fame, Johnny Pistilli and Tommy West, under the name Buchanan Brothers. The rock group peaked at No. 22 on the Billboard Hot 100 and No. 15 in Canada with "Medicine Man" which was featured in Quentin Tarantino's "Once Upon a Time in Hollywood" giving new life to their once under appreciated tune. Their follow-up, "Son of a Lovin' Man", peaked at No.