Evidence went with 2 samples for this track.

The first one is from Chick Corea and Gary Burton’s “Children’s Song: No. 6” which is the piano medley that plays throughout the song

The second sample is from the Wu Tang Clan’s 7th Chamber (off of Enter the Wu Tang (36 Chambers) which is where the lock shit down comes from.

Not related to this song, but Gary Burton also has a composition called Las Vegas Tango that was the main sample for Cypress Hill’s Illusions track.