he studied music at juilliard, and toured for a year with the henry jerome swing band, playing saxophonenet. >> when was the last time you looked inside of this? >> i hate to tell you. >> doesed it look familiar. >> greenspan pulled out his original clarinet for us. >> this brings back memories. >> which dates from the 1940s. >> i would blow it but the problem unfortunately is i remember how i used to sound. and i just try to remember that and leave it at that. >> greenspan saw he was never going to be a great musician. >> when i played next to stan jets, who i was 16, he was 15, and i played for years, side by side with him in a band, and he pretty much determined i was going to become an economist. >> reporter: but it did lead him to his wife, andrea mitchell. >> in fact, what originally attracted me to her is she liked the same music that i did. >> there is a disagreement about how many times you proposed. >> i think she said five and you said three. >> well, i still didn't get it. >> greenspan and the nbc news correspondent have been married for 16 years. >> is he an obsessive writer