Complex sentence: After a successful audition to be a member of One Direction's live band, Beales spent four and a half years between 2011-2015 touring and performing with One Direction, spanning 4 world tours and numerous Television and Award show appearances.
Split into simpler sentences: After a successful audition, Beales became a member of One Direction's live band. He spent four and a half years between 2011-2015 touring and performing with them, spanning 4 world tours and numerous television and award show appearances.