"Don't Let Him Know" is a song by Canadian rock band Prism, written by Jim Vallance and Bryan Adams. It was the first single from the band's fifth studio album, Small Change (1981). "Don't Let Him Know" was Prism's biggest US hit, peaking at No. 1 on the Mainstream Rock chart and No. 39 on the Billboard Hot 100. As a single it reached No. 49 on the Canadian Singles chart.
The song and footage of the band performing were later used in a commercial for Craig car stereos.
Personnel
Prism
Henry Small – lead vocals
Lindsay Mitchell – guitar
Rocket Norton – drums
Al Harlow – bass guitar
Sales chart performance
Re-recorded version
In 2009, Prism re-recorded "Don't Let Him Know" with Al Harlow on lead vocals.