What is the name of the artist or group which originally performed XXX?
Don't Sleep in the Subway
In the UK where Clark's precedent single 'This Is My Song' had afforded Clark her best chart showing with two weeks at #1 'Don't Sleep in the Subway' had a July 1967 chart peak of #12 evincing a decline in Clark's UK chart profile which would continue until Clark made her last UK Top 40 appearance with a new recording with 'Song of My Life' which peaked at #32 in March 1971.