Complex sentence: On 29 January 2005, The Cockroaches reunited for a one-off performance at the Hills for Hope concert as a benefit for the Boxing Day Tsunami survivors, the roster included The Greg Page Band, Mental As Anything and Hush.
Split into simpler sentences: On 29 January 2005, The Cockroaches reunited for a one-time performance at the Hills for Hope concert as a benefit for the Boxing Day Tsunami survivors. Also on the roster were The Greg Page Band, Mental As Anything and Hush.