조회수
0:35
fixing the most common problem for upright pianos
0:21
Piano String breaks on its first tune
5:58
엔트로피-피아노-튜너
1:01
When a piano is too bright or tinny sounding
0:27
모든 피아니스트에게 필요한 기술 기기! #장비리뷰 #선물아이디어 #반바지
1:00
Before & after piano tuning of old piano on its last gasp.
0:52
How often should a piano be tuned?
1:05
나머지 페달들은 기능이 뭐예요?
