Based on the context of boom bap production and "old school" hip hop, here are the key features of a typical "free" or "type beat" in that style:
The defining feature is a hard-hitting, heavily compressed snare (the "bap") usually on the 2 and 4, paired with a deep, punchy kick drum (the "boom") that often has a bit of vinyl crackle or dusty texture [1]. boom_bap_type_beat_moment_free_boom_bap_old_sch...
Classic boom bap heavily utilizes sampled jazz, soul, or funk records, frequently pitched up or down and chopped into new patterns [2]. Based on the context of boom bap production
Typically ranges between 85 and 95 BPM (beats per minute), allowing for a laid-back yet driving rhythm. Often features a 4- or 8-bar loop structure
Often features a 4- or 8-bar loop structure with minimal variations, designed to allow rappers to flow continuously without distraction [2]. To better assist you, are you looking to: Download this type of beat for free? Produce/Mix this type of beat yourself? Find artists known for this sound?
A characteristic gritty sound is achieved through high-pass/low-pass filters, bit-crushing, and adding vinyl hiss, crackle, or hum to emulate a 1990s MPC sampler aesthetic [1].
Often simple, filtered, or chopped from the same sample source as the melody, sometimes reinforced with a sub-bass or a sampled electric bassline to create a warm, thick low-end [3].