YOU SAID:

My mom is playing music on my strange instruments

INTO JAPANESE

私の母は私の奇妙な楽器で音楽を再生しています

BACK INTO ENGLISH

My mother has to play the music in my strange musical instrument

INTO JAPANESE

私の母は私の奇妙な楽器で音楽を再生しなければなりません

BACK INTO ENGLISH

My mother must play music on my strange musical instrument

INTO JAPANESE

私の母は私の奇妙な楽器で音楽を再生しなければなりません

BACK INTO ENGLISH

My mother must play music on my strange musical instrument