 Boyce and Hart observed quickly that when brought into the studio together, the four actors fooled around and tried to crack each other up.Because of this, they often brought in each singer individually.According to Nesmith, it was Dolenz's voice that made the Monkees' sound distinctive, and even during tension-filled times Nesmith and Tork sometimes turned over lead vocal duties to Dolenz on their own compositions, such as Tork's "For Pete's Sake", which became the closing title theme for the second season of the television show.