What are some of the songs from the films called? like the theme songs ou if there are any songs with lyrics would be preferred...

1 of them is par john williams it's the song that comes on in the begining of all of the movies.you can find it on youtube

Yea Hedwig's theme is considered the theme song. Almost all of the songs in the films don't have lyrics except for Can toi Dance Like A Hypogriff in GOF