たしかなこと × Piano

There are 36 “たしかなこと” Piano accompaniments.
There are sounds such as “🎼たしかなこと (演奏) by ❁✿✾ ɠяå нḯღღεʟ ✾✿❁︎”, “たしかなこと by りのこ” and so on.
Other popular musical parts of “たしかなこと”