WHAT IS APOO'S ABILITY???

After making a scene at the Golden Festival, Luffy and Zoro try to get away, but Queen announces to his subordinates that anyone who catches them will be rewarded with a position in the Tobi Roppo. Scratchmen Apoo stands in Luffy and Zoro’s way and with his ability to use music as a weapon, he launches unpredictable attacks which corner Luffy and Zoro.