Nas
Halftime

FlacoBey said on Wednesday, 11 August 2010:
Yeah, the baseline should be the primary of the sample, not the vocal.

cashrules said on Monday, 09 August 2010:
Thanks guys..

MrBlondNYC said on Friday, 30 July 2010:
OK but this should be changed the sample of bassline because that is the most prominent part. The vocals are filtered down low and the bassline beefed up so we're not really supposed to hear it.

stationary unit said on Friday, 30 July 2010:
Most sources say that it is the Japanese Hair Cast Version that is sampled by Nas. Having listened to the Japanese Hair album, I'm almost certain it is this version which was sampled.

The video for "Dead End" that is used as the embed the link you gave is the Japanese cast version; the video has the same audio in the embed used for the original track here.

MacDermot's version does not appear on the Hair soundtrack pictured in your link, as it was cut out of the English production; Discogs lists it in two albums: "New York Shakespeare Festival Public Theater Presents Hair: An American Tribal Love-Rock Musical" and "Disinhairited"; "Disinhairited" is an album of stuff cut out from the musical, or was once in the musical but was cut out when it went Broadway. Having listened to an Amazon MP3 preview of the "Disinhairited" version, it sounds nothing like the vocal sample in the Nas track (in my opinion).

MrBlondNYC said on Thursday, 29 July 2010:
Are you sure it isn't this?

http://www.whosampled.com/sample/view/47935/Nas-Halftime_Galt%20McDermont-Dead%20End/

stationary unit said on Thursday, 29 July 2010:
The vocal sample is really faint but definitely there (you should probably use earphones to listen to it). It's the vocals appearing with the bassline. Apparently the bassline is also from Dead End, but I just can't find a connection.