Marshall and Schwartz left and were replaced by Frank Petricca (bass) and Ken Utterback (guitar), with Brent Block moving to rhythm guitar before leaving later in 1970.
Marshall dan Schwartz keluar dan digantikan oleh Frank Petricca (bass) dan Ken Utterback (gitar), dengan Brent Block pindah ke rhythm guitar sebelum kemudian keluar pada tahun 1970.