Complex sentence: This incarnation of the band released only a single album Babylon (2002) before Jeff & Ginge both left the band in late 2002 due to their mistreatment by the record label RCA.
Split into simpler sentences: This incarnation of the band released only a single album Babylon (2002) before Jeff & Ginge both left the band in late 2002. This was due to their mistreatment by the record label RCA.