After graduating from
Beachwood High School, Koslen joined the
Cleveland,
Ohio-based band, Snake Eyes, with former
Eli Radish Band bassist
Danny Sheridan. In 1974, he joined with
Michael Stanley,
Daniel Pecchio, formerly of
Glass Harp, and Tommy Dobeck to form The Michael Stanley Band. During his tenure with the band, they released three albums for
Epic Records and became popular in
Northeast Ohio. Sharing songwriting duties with Stanley, Koslen contributed two of the group's classic songs: "Strike Up the Band" and "Nothing's Gonna Change My Mind". Koslen left the Michael Stanley Band in 1977 and formed the band Breathless the following year. but the album did not chart. With support from Cleveland radio station
WMMS, Breathless became a popular act locally, headlining
Blossom Music Center in June 1980. The band released its second album,
Nobody Leaves This Song Alive in October 1980. and the albums
Orange and
Agora Live, but they soon broke up. After that Koslen moved to California and worked on various music projects. He briefly reunited with Michael Stanley in 1993 for the album
The Ghost Poets. ==Discography==