Yesterday l listened to oral classes , the or my teacher told us useful information can get from music. These are fresh for me.

Your teacher is right!, music is great to improve your listening skills but you have to be careful some songs have mistakes or have words that doesn't exists in English.

Here you have a link with 10 goods songs in English.

http://englishfuncast.com/10-singers-to-listen-to-improve-your-english/

Hope this helps!

Contact me if you want to practice.

Gabriel.