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You Are the Sunshine of My Life  is a 1973 single released by Stevie Wonder.
You Light Up My Life. Single by Kasey Cisyk. You Light Up My Life is a ballad written by Joseph Joe Brooks, and originally recorded by Kasey Cisyk for the soundtrack album to the 1977 film of the same name. The song was lip synched in the film by its lead actress, Didi Conn.