I Lost on Jeopardy

The death of Merv Griffin reminded me that, in the immortal words of Weird Al Yankovic, I lost on Jeopardy!, which Merv invented. To my eternal chagrin, my downfall came on an audio daily double: "This detective show's theme song was this tune ("Harlem Nocturne," if you don't want to follow the link). Okay, your turn: Dah-DAH-dah-DAH-dah-dah-DAH (hum that Jeopardy theme, which Merv, who retained the rights to it even after he sold the show, once estimated made him $70-80 million). Did you get it, in the form of a question?