YOU SAID:

I've played in his game music room a handful of times before

INTO JAPANESE

私は彼のゲームミュージックルームで数回プレイしたことがあります

BACK INTO ENGLISH

I have played several times in his game music room

INTO JAPANESE

私は彼のゲームミュージックルームで数回プレイしました

BACK INTO ENGLISH

I played several times in his game music room

INTO JAPANESE

彼のゲームミュージックルームで何度か演奏しました

BACK INTO ENGLISH

Played several times in his game music room

INTO JAPANESE

ゲーム音楽室で数回プレイした

BACK INTO ENGLISH

Played several times in the game music room

INTO JAPANESE

ゲームミュージックルームで数回プレイした

BACK INTO ENGLISH

Played several times in the game music room