The song also was used in 2009 by T-Mobile and Google for a cell phone commercial.
In 2007, a rendition of "If You Want to Sing Out, Sing Out" appeared in the film, Charlie Bartlett, a teen tragic comedy film for which Stevens' lyrics and music appear to be a comfortable fit.
Well if you want to sing out, sing out
And if you want to be free, be free
'Cause there's a million things to be
You know that there are