3.8 akd June 22, 2018 TV & Movies Radio Happy – Yui Ohtsuki / Idolmaster Difficulties Hard Expert 82 17 Mapper: akd Expert (661 notes, 30 obstacles) Hard (567 notes, 30 obstacles) Full event lighting Time – 3:48 BPM – 132.4 Expert Example: This is a pretty dexterous and fast paced tr…