OK, more Bubblegum: This '71 Harold "Lally" Stott composition was a #1 hit in the UK by the Scottish folk-pop band Los Caracas, recording as Middle Of The Road. Mac and Katie Kissoon from Trinidad took it to #20 on Billboard's Hot 100 that same year.
Yesterday's answer: "Torn" by Natalie Imbruglia. Love that tune! The same thing happened to No Doubt's "Dont Speak" - released as a radio-only single in order to promote the album and completely failed to chart! http://www.youtube.com/watch?v=VV1XWJN3nJo&feature=av2e