I like the synths! Maybe some type of bass earlier on in the mix and keep it under control. The bass you have has the right vibe but it can be tighter. I like the pulls it has though. That's a cool effect on the bassline. Big up.
I'm not a big fan of the synth sound that opens the track, drums sit nicely tho, good bounce. Nice little dreakdown there.
Overall it's not bad at all but I would have liked it more if you used some different sougndsNotorious B.I.G. Things Done Changed [REMIX]