Complex sentence: In early 1967, the band brought in Kim Gardner as their new bassist, and former bassist Bob Garner moved into the lead vocal slot in June 1967, leaving Kenny Pickett out of the group, at least for the time being.
Split into simpler sentences: In early 1967, the band brought in Kim Gardner as their new bassist, and former bassist Bob Garner moved into the lead vocal slot. This left Kenny Pickett out of the group, at least for the time being.