YOU SAID:

I am going to finish that cool song tomorrow.

INTO JAPANESE

あのかっこいい曲を明日仕上げます。

BACK INTO ENGLISH

I'll finish that cool song tomorrow.

INTO JAPANESE

あのクールな曲は明日仕上げます。

BACK INTO ENGLISH

That cool song will be finished tomorrow.

INTO JAPANESE

あのかっこいい曲は明日終了します。

BACK INTO ENGLISH

That cool song will end tomorrow.

INTO JAPANESE

あのクールな曲は明日で終わります。

BACK INTO ENGLISH

That cool song will end tomorrow.