The 1946 film "Night and Day" was about this composer who wrote "Begin the Beguine" & "It's De-Lovely"
Unlike the sanitized 
1946 Porter biopic "Night and Day," starring Cary Grant," "De-Lovely" pulls no 
punches in depicting the composer's double life as a spouse in a largely ... Sheryl 
Crow doing "Begin the Beguine"  are highlights in "De-Lovely.