YOU SAID:

The bass is heavy in my head

INTO JAPANESE

低音は私の頭が重い

BACK INTO ENGLISH

My head is heavy-bass

INTO JAPANESE

私の頭は重低音です。

BACK INTO ENGLISH

My head is heavy bass.

INTO JAPANESE

私の頭は、重低音です。

BACK INTO ENGLISH

My head is a bass-heavy.

INTO JAPANESE

私の頭は、重低音です。

BACK INTO ENGLISH

My head is a bass-heavy.