Augmented chord - can use a 5th augmented at the end of a chorus to bring you back to the verse. "I Hear You Knockin'" by Dave Edmunds:
1:31 and 2:26 - http://www.youtube.com/watch?v=dDAtsSi1ads
That's quite distinctive... and also rather old. I wasn't even born in 1970, but I remember the song well. Either my parents or Top Of The Pops 2 are to blame. I'm going with the former of the two.