 Koslen left the Michael Stanley Band in 1977 and formed the band Breathless the following year.Breathless consisted of Koslen, bassist Bob Benjamin, drummer Kevin Valentine, percussionist Rodney Psyka, guitarist Alan Greene and keyboardist Mark Avsec, formerly with Wild Cherry.Signed to EMI America Records, the group released their debut album "Breathless", produced by Don Gehman, in July 1979.