Complex sentence: Barrett Martin has been a touring member for several bands after the breakup of Screaming Trees, including Stone Temple Pilots and R.E.M., and has released two solo albums with limited success.
Split into simpler sentences: Barrett Martin has been a touring member for many noteworthy bands after the breakup of Screaming Trees. He has worked with Stone Temple Pilots and R.E.M., and has released two solo albums with limited success.