Complex sentence: Aerosmith released a more rock version featuring uncredited backing vocals by Mary Weiss of the Shangri-Las as a single in 1980 and can found on both their "Greatest Hits" album and on their "Night in the Ruts" album.
Split into simpler sentences: Aerosmith released a more rock oriented cover version of the song featuring uncredited backing vocals by Mary Weiss of the Shangri-Las as a single in 1980. It was taken from the group's "Night in the Ruts" album and was also included on their "Greatest Hits" album.