Those Snow White Notes S01 E01 Desolate

Sawamura Matsugorou, the grandfather of a young Tsugaru shamisen player, Sawamura Setsu, has died. In losing the grandfather whom he'd always admired, Setsu has lost his own sound, and so he has gone to Tokyo with no plans other than to search for what he's lost. When he gets caught up in some trouble, he's saved by Tachiki Yuna, a woman who works at a hostess club. Events progress, and Setsu ends up unveiling his musical skills as the opening act for a live concert...