Skrillex and Hikaru Utada team up for Kindgom Hearts III Theme Song Skrillex teams up with Hikaru Utada for Kingdom Hearts III theme song. Related Posts: 17 of the most-anticipated albums of 2021: Skrillex, SG Lewis, Porter Robinson, and more Skrillex assists on ‘Homesick,’ the opening cut of DJ Scheme’s debut album ‘FAMILY’ [Stream]