Complex sentence: In 2010 he auditioned for the Fox hit television series American Idol (season 10) and advanced all the way through to the Hollywood round, beating hundreds of other contenders before being sent home around the group sections of the TV singing competition.
Split into simpler sentences: In 2010 he auditioned for the Fox hit television series American Idol (season 10). He advanced to the Hollywood round and competed beating out hundreds of other contenders before being sent home around the group sections of the TV singing competition.