YOU SAID:

Slow it down make it bouncy

INTO JAPANESE

ゆっくりにして弾むようにする

BACK INTO ENGLISH

make it slow and bouncy

INTO JAPANESE

ゆっくりと弾むようにする

BACK INTO ENGLISH

let it bounce slowly

INTO JAPANESE

ゆっくり弾ませてください

BACK INTO ENGLISH

let me play slowly

INTO JAPANESE

ゆっくり遊ばせてください

BACK INTO ENGLISH

let me play slowly