YOU SAID:

I was strolling the hills, and they were alive with the sound of music.

INTO JAPANESE

私は丘を散歩していましたが、彼らは音楽の音で生きていました。

BACK INTO ENGLISH

I was strolling down the hill and they lived by the sound of music.

INTO JAPANESE

私は丘を歩いていたが、彼らは音楽の音で暮らしていた。

BACK INTO ENGLISH

I was walking up the hill and they lived by the sound of music.

INTO JAPANESE

私は丘を歩いていて、彼らは音楽の音で暮らしていました。

BACK INTO ENGLISH

I was walking on the hills and they lived by the sound of music.

INTO JAPANESE

私は丘の上を歩いていましたが、彼らは音楽の音で暮らしていました。

BACK INTO ENGLISH

I was walking on the hills and they lived by the sound of music.