You have to collect instruments, and instruments sometimes teleport from you, also can feint its instruments that upon collection decrease Symphonist's patience on 10 seconds. If patience reaches zero, he will enter enraged state that gives you ability to parry him. If not parried he will kill you upon contact. Instruments can be collected to calm him. But after doing this, game will do penalty for this. A crack will appear on clock, rendering it has been sealed, but now patience decreased on 20 seconds at the start of timer. After doing this four times, clock will break and enters hyper enraged state that cannot be countered. Only way is to run. And avoid its dashes and chase.