Complex sentence: On 13 October 2015, Sivan revealed "Wild" to serve as an opening introduction to his debut studio album "Blue Neighbourhood" and extended his first U.S. tour Troye Sivan Live to a world tour with legs in Europe and Australia.
Split into simpler sentences: On 13 October 2015, Sivan revealed "Wild" to serve as an opening introduction to his debut studio album "Blue Neighbourhood". The day following the announcement, Sivan extended his first U.S. tour Troye Sivan Live to a world tour with legs in Europe and Australia.