It’s back to the 1970s again. More great music and ... as the album sleeve proudly declares. It may not have hit the top spot on Billboard but it was still a big seller in the US.

After a bit of a holiday and topic break, we now continue Retro Roundup's look at the Billboard pop hits of the 1970s that landed outside the top 10. Arkade-Sing Out The Love (In My Heart ...