YOU SAID:

I like writing Music that is half an hour long.

INTO JAPANESE

私は 30 分の長さの音楽を書くのが好きです。

BACK INTO ENGLISH

I like to write music that is 30 minutes long.

INTO JAPANESE

私は 30 分の音楽を書くのが好きです。

BACK INTO ENGLISH

I like to write 30 minutes of music.

INTO JAPANESE

私は30分の音楽を書くのが好きです。

BACK INTO ENGLISH

I like to write 30 minutes of music.