Complex sentence: At the band's first board meeting in Chicago, Johansen fell asleep in Mercury's conference room while record executives discussed potential producers, but awoke when they mentioned Todd Rundgren, a musician and producer who by 1972 had achieved rock stardom.
Split into simpler sentences: At the band's first board meeting in Chicago, Johansen fell asleep in Mercury's conference room while record executives discussed potential producers. He awoke when they mentioned Todd Rundgren, a musician and producer who by 1972 had achieved rock stardom.