Complex sentence: The debauchery hinted at in their music was not merely a pose, and after much publicised drug problems with some members of the band, and unproductive (and some unreleased) studio work, the band split up.
Split into simpler sentences: The debauchery hinted at in their music was not merely a pose,. After much publicised drug problems with some members of the band, and unproductive (and some unreleased) studio work, the band split up.