The song goes a oh a oh a and we danced though the night. I hear it on the radio all the time but they never say the name of the song or who sings it.

It's either Santana or Chad Kroeger and the song is called "Into the Night"

SANTANA - INTO THE NIGHT LYRICS (http://www.sing365.com/music/lyric.nsf/Into-The-Night-lyrics-Santana/218AF71822A0FBD248257348000C6273)