Complex sentence: Within a month of moving to New York City in spring of 2001, Josh was introduced to Mike Rizzo, and the first remix they worked on together was one of the most played songs on WKTU during the summer of 2001.
Split into simpler sentences: Within a month of moving to New York City in spring of 2001, Harris was introduced to Mike Rizzo. The first remix they worked on together was one of the most played songs on WKTU during the summer of 2001.