Complex sentence: After Warner Bros. made a record deal with the real Fleetwood Mac, the quartet released "Heroes Are Hard to Find" in September 1974 and for the first time in its history, the band had only one guitarist.
Split into simpler sentences: After Warner Bros. made a record deal with the real Fleetwood Mac, the quartet released "Heroes Are Hard to Find" in September 1974. For the first time in its history, the band had only one guitarist.