虹の約束 (Niji no Yakusoku)

虹の約束 (Niji no Yakusoku) is a somber song by Keiran Berry with a tempo of 178 BPM. It can also be used half-time at 89 BPM. The track runs 2 minutes and 12 seconds long with a F key and a minor mode. It has average energy and is somewhat danceable with a time signature of 3 beats per bar .