Hennig is best known for his Canadian hits "Lady Highway" (1976), "George the Hermit" (1978), "Mindy" (1978), and "Caught in the Middle" (1979).
[2] "Lady Highway", peaked at number 20 on the RPM Adult Contemporary Chart (July 10, 1976).
[4] "Big City Lights", peaked at number 33 on the RPM Country Singles Chart (August 6, 1977).
[7] "George the Hermit", peaked at number 12 on the RPM Country Singles Chart (August 12, 1978).
[10] "Caught in the Middle", peaked at number 16 on the RPM Country Singles Chart (January 12, 1980).