Generate an instrumental track that is an exact replica of the beat from "Alkash" by Zloy Duh feat. Vostochny Okrug (2011), with the following specifications:

Core Parameters:

- Genre: Russian underground old‑school hip‑hop / trap fusion

- Era: early 2010s Russian rap (2010–2012)

- Mood: gritty, raw, melancholic, street, nostalgic, lo‑fi

- Tempo: 84 BPM (steady quarter‑note pulse)

- Key: C minor (Cm)

- Time Signature: 4/4

- Energy: medium, laid‑back but with driving bass

- Length: 2 minutes 30 seconds

Instrument Specifications:

1. Bass (808):

- Sound: deep, rumbling sub‑bass with slight distortion

- Pattern: steady quarter‑notes on beats 1 and 3

- EQ: cut below 25 Hz, boost 60–80 Hz, cut above 200 Hz

- Compression: moderate (4:1 ratio, medium attack/release)

2. Synth:

- Sound: gritty, detuned analog synth (Casio MT‑45 style)