Complex sentence: They've been able to keep in contact and make music all across the country and when Umana moved to Los Angeles, it became easier for them to find their way to each other, and worked on their production from there.
Split into simpler sentences: They've been able to keep in contact and make music all across the country. When Umana moved to Los Angeles, it became easier for them to find their way to each other, and worked on their production from there.