Les Couleurs - great song to teach colours in French, but also to use as a brain break. I play it for grade class and have them jump up everytime they sing a colour that they are wearing. They constantly ask for the colour song!
From Disney's "Frozen" soundtrack, 'Love is an Open Door' (Canadian French) w/ subtitles and translation; or in this case, "L'amour Est Un Cadeau" (Love is a gift.) [I only wish the best lyric, "We finish each other's sandwiches!