When I was a wee lad, I dutifully bought the 7″ single of “Hanging On The Telephone” and played it relentlessly. (What else can you do? It’s “Hanging On The Telephone”.) However, I thought the B-side was just as good (sometimes better), and played that almost as much.
Here’s the B-side of “Hanging On The Telephone“:
Blondie – “I Know But I Don’t Know” (1978)
And it’s still one of my favourite Blondie songs.