Complex sentence: Crowder was the lead vocalist of the David Crowder Band that started in 1996 and disbanded in 2012 when Crowder started making a solo career for himself on the dual label sixstepsrecords and Sparrow Records.
Split into simpler sentences: Crowder was the lead vocalist in the David Crowder Band that started in 1996 and disbanded in 2012. In 2012, Crowder started making a solo career for himself on the dual label sixstepsrecords and Sparrow Records.