(By Yahoo Music | Published on December 14, 2016 for Yahoo.com)
Alan Thicke died on Tuesday (Dec. 13) at the age of 69, reportedly from a heart attack.
While Thicke was best known as a sitcom actor, he was also a successful theme song composer. And in some cases, such as the Diff'rent Strokes theme song "It Takes Diff'rent Strokes," Thicke was even a featured singer.
On occasion, Thicke collaborated with his then-wife singer and Days of Our Lives star Gloria Loring -- mother of Robin Thicke -- on these projects, with her singing on the Diff'rent Strokes spin-off The Facts of Life theme song.
As we remember Thicke's legacy, here are 10 of his most memorable compositions: