William Penn Fyve were a garage rock group from Palo Alto, California who recorded the psychedelic classic "Swami".
The original founding lineup was made up of Ron Cox on drums, Mike Dunn on guitar, Neil Holtmann on vocals, and Steve Sweet on bass.
There was one group around at the same time with a similar name, William Penn & the Quakers who had a few singles including "California Sun" released on Len Stark's Philadelphia based Melron label.
[12][13] In early 1965, with the current line up of Ron Cox, Mike Dunn, Neil Holtmann, and Steve Sweet, they added another member, keyboard player Dave Lovell.
[25] A CD album with early recorded material was released in the 2000s which included an alt-version of "Blow My Mind".