music world with the first ever platinum record in the genre, jay eventually pivoted to behind the soundboard own record label as an executive. >> he was such a creative visionary when it came to run dmc. so becoming a producer was, again, a natural matriculation, was a natural progression for him to kind of evolve with the industry. that's another reason why this documentary really wanted to chronicle not only what happened with the murder investigation, but just with his career, because he was such a high impact figure. >> then on october 30th, 2002, jam master jay was at work in this recording studio in queens, new york when two men arrived. >> they had to be buzzed into the studio. you have to understand, these two initials were known to jay. there was trust there. >> jam master jay was in the studio in the back. he was playing video games with tony rincon. lydia was at the front desk when she got buzzed. she buzzed two people in that she knew. >> the killer passed a total of four security cameras on the way to the murder, at the door, up the stairs and in the hallway leading to the studi

we sat at prince's soundboard with his longtime keyboardist and musical director morris hayes. >> hayesme... ♪ >> wertheim: he gave us a preview of that missing album, "welcome 2 america." ♪ land of the free home of the brave ♪ oops, i mean land of the free ♪ home of the slave get down on your knees ♪ hit me welcome to america. ♪ >> wertheim: deliriously versatile, prince wrote the songs, sang the songs, and played most instruments. he asked hayes to add production value. >> hayes: like he said, "man, here's the record. i want you to overproduce it. anything i don't want, i'll take it away." >> wertheim: is there another song from the album? >> hayes: sure. this one's called "check the record." ♪ let's check the record see what it said ♪ seems like your girlfriend was in my bed ♪ >> wertheim: typical prince, the album resists genres. lyrically, it is, by turns, sly, suggestive and subversive. ♪ let's check the record see what it said ♪ seems like your girlfriend was in my bed ♪ >> wertheim: did he ever say why he didn't put this out there? >> hayes: no. and i remember asking him about i