YOU SAID:

as he came into the window, there was sound a cresendo

INTO JAPANESE

彼が窓に入ると、クレッシェンドの音がした

BACK INTO ENGLISH

When he entered the window, there was a crescendo sound

INTO JAPANESE

彼が窓に入ると、クレッシェンドの音がした。

BACK INTO ENGLISH

As he entered the window, there was a crescendo sound.

INTO JAPANESE

彼が窓に入ると、クレッシェンドの音がした。

BACK INTO ENGLISH

As he entered the window, there was a crescendo sound.