Complex sentence: It was Ryder's first musical project after the disintegration of Happy Mondays due to his multiple drug addiction, and also the other former band members disagreeing about money earned, and was intended as much to be a line between his past life and his new one.
Split into simpler sentences: It was Ryder's first musical project after the disintegration of Happy Mondays due both to his multiple drug addictions and to disagreements about revenues with other bandmembers. It formation of the new band was intended to draw a line between his past life and his new one.