YOU SAID:

I grad my viola and walk out of the orchestra room

INTO JAPANESE

私はヴィオラを弾き終えてオーケストラ室から出ます

BACK INTO ENGLISH

I finish playing the viola and leave the orchestra room.

INTO JAPANESE

ヴィオラを弾き終えてオーケストラルームを出ます。

BACK INTO ENGLISH

Finish playing the viola and leave the orchestra room.

INTO JAPANESE

ヴィオラの演奏を終えてオーケストラルームを出る。

BACK INTO ENGLISH

After playing the viola, I left the orchestra room.

INTO JAPANESE

ヴィオラを演奏した後、オーケストラ室を出ました。

BACK INTO ENGLISH

After playing the viola, I left the orchestra room.