Complex sentence: Kevin Fennell is the drummer for Guided by Voices, having performed with the band between 1983 and 1996, and since the reunion of the "Classic Lineup" in 2010.
Split into simpler sentences: Kevin Fennell is the drummer for Guided by Voices. Fennell joined the original trio composition of the group, He performed with the band between 1983 and 1996, and since the reunion of the "Classic Lineup" in 2010.