Show: ONE OK ROCK at Back to the Future Hearts Tour feat. All Time Low (2015), The DeltaPlex Arena & Conference Center, Grand Rapids, MI, USA

In 2015, ONE OK ROCK joined the "Back to the Future Hearts" Tour in North America, supporting All Time Low and Sleeping With Sirens, with Neck Deep also on the bill. Spanning from October to November, the tour brought together some of the most influential names in pop-punk and alternative rock. For ONE OK ROCK, it was a key opportunity to expand their U.S. audience and showcase their energy to fans of the American scene, aligning them with genre leaders and reinforcing their growing international presence.