The song is a breakout track by the producer and artist Bad Style , who began crafting beats in the early 2000s.

If you are looking for authentic 2Pac songs that share this "time" theme, you should check out his official posthumous catalog: 2Pac: where to start in his back catalogue | Tupac Shakur

The "feature" you're likely seeing——is a popular modern remix and tribute, rather than an original, unreleased track recorded by 2Pac before his death.