Based on the track you linked here, an AR - no doubt.

You’ll still need to use your computer for editing (sidechaining by individual track gain is not an option on the AR COMP, only by global EQ band), but once you hear your samples inside and on top of the analog drum synthesis, with the FX and DIST, you’ll be one happy motherfucker.

Don’t get an A4 - everything will sound samey. In my experience, owning an OT, AK, and AR, and having owned an MD and MM, you want an AR. Second option would be an OT, but you will lose girth and raw power (which is what I hear in this song anyways)

My $0.02.