Instrumental Duet,Piano C Instrument - Level 2 - Digital Download SKU: A0.881002 Composed by Benjamin Hastings, Joel Houston, and Michael Fatkin. Arranged by Marco Polo C. Ignacio. Contemporary. Lead Sheet / Fake Book. 2 pages. MARCO POLO IGNACIO #6423489. Published by MARCO POLO IGNACIO (A0.881002). So Will I (100 Billion X) is the fourth track of the album Wonder by Hillsong Worship. The album was released on 9 June 2017, under Hillsong Music, Sparrow Records and Capitol Christian Music Group.