Finally found this song, I remember hearing it on the radio when i was very young, and the I-i-i-i-i-i-i bit always stuck in my head, but I didn't know the rest of the song. Its wonderful, an under rated mid 80's gem.

https://www.youtube.com/watch?v=2x8PLjvmiIw

Heres another catchy hit
http://youtu.be/MQqCF6z09Ms

I prefer the Beatles track with the same title........

https://www.youtube.com/watch?v=tPGF5YODCg8