Sounds like your friend received the gift of a lifetime: the drumset of his beloved drummer. Arigato gozai mashita!
If you are home next Sunday evening , and like The Beatles , my friend’s band - Beitlet - is playing at a club in Fukuoka called Cavern Club which is celebrating its 13th Anniversary . They’ll be broadcasting LIVE on Youtube . Morita won’t be playing his own drums , though . Check it out 1
https://www.youtube.com/watch?v=CNYoCr8NL7I