Complex sentence: Lopatin initially released music under several pseudonyms and as part of a number of groups before adopting the pseudonym Oneohtrix Point Never (a verbal play on Boston radio station Magic 106.7) was 2007's "Betrayed in the Octagon".
Split into simpler sentences: Lopatin initially released music under several pseudonyms and as part of a number of groups. His first release under the pseudonym Oneohtrix Point Never (a verbal play on Boston radio station Magic 106.7) was 2007's "Betrayed in the Octagon".