"So Will I (100 Billion X)" is a contemporary worship song by the Christian music group Hillsong United. The song emphasizes themes of creation, worship, and the response of believers to God's greatness. It reflects on how all aspects of creation, from the stars to the earth, respond to God's voice and purpose. The lyrics convey a message of unity with creation, expressing that if the universe responds to God, so will the singer. The song encourages listeners to recognize their place in the divine narrative and to respond in worship, mirroring the awe and reverence found in nature.