Complex sentence: Within the next two months Devin left the band due to some decisions he had made, and they soon met musician David Pavluk while he was working at local music venue and coffee shop, Jammin Java.
Split into simpler sentences: Within the next two months Devin left the band due to some decisions he had made. They later met musician David Pavluk while he was working at local music venue and coffee shop, Jammin Java.