Four songs (one for today´s class) but just one wish: MEERY CHRISTMAS!!

Can you guess which one are we going to listen in class today?

https://www.youtube.com/watch?v=DA1OJeNgSiw

https://www.youtube.com/watch?v=QIQenkJWmOc

https://www.youtube.com/watch?v=_YB1T5rg0DU

https://www.youtube.com/watch?v=PJ2CuKgyNW0