This is from the 별, 스타 Trek : Deep 우주 Nine episode "7x15 : Badda-Bing, Badda-Bang", at the end where James Darren and Avery Brooks sing a little duet. Like most of Darren's songs, it's a Sinatra tune.
Extracts from special episode DS9 "30th Anniversary Salute to Original 별, 스타 Trek." ST DS9 5x06 TRIALS AND TRIBULATIONS:Sisko travels back in time to a pivotal moment in history of the original Starship Enterprise.Uploaded 의해 LeSPOCK on 유튜브