obZen Polyrhythm Ostinato — Tomas Haake (Meshuggah) Drum Lick | MetalForge
Learn the obZen Polyrhythm Ostinato drum lick by Tomas Haake of Meshuggah. From Bleed (obZen (2008)). The polyrhythmic grid underlying Bleed from Meshuggah's 2008 album obZen is one of the most analytic...
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1. Tomas Haake's Signature Licks — The polyrhythmic grid underlying Bleed from Meshuggah's 2008 album obZen is one of the most analytically rich drum patterns in contemporary metal, and it is distinct from the double-bass endurance story that defines how the song is usually taught. The central concept is a 4/4 metric structure over which the guitars and drums project an accent pattern that follows a grid built on non-aligned groupings, creating the sensation that the time signature is constantly shifting even though the pulse never wavers. Tomas Haake's hands are the key to understanding this: while the feet deliver the relentless sixteenth-note ostinato, it is the snare and cymbal accents that articulate the polyrhythmic displacement — hits that land on specific offbeats of the 4/4 grid, grouped in patterns whose length does not divide evenly into the bar. The effect is hypnotic and deeply mathematical, yet Haake executes it with such evenness and control that the complexity is almost hidden beneath the physicality of the performance. The accent pattern runs over the top of the constant kick, and the tension between the two layers — the steady mechanical feet and the displaced hand accents — is the source of Bleed's hypnotic quality. The most-watched Meshuggah drum performance video, Haake playing Bleed, has accumulated over eight million views, and a significant portion of viewers describe it as the moment they first understood that metal drumming could be simultaneously intellectual and overwhelming. For drummers, the polyrhythmic analysis of Bleed is a separate study from its endurance demands. Approach it by writing out the 4/4 bar and mapping where each snare and cymbal accent falls against the sixteenth-note grid; count how many bars it takes before the accent pattern resolves back to beat one. That resolution cycle — the full span before the pattern repeats — is your polyrhythmic unit, and understanding it intellectually before playing it is essential. Slow the pattern down to a fraction of the recorded tempo and layer in the accents one limb at a time: first the steady kick, then the hi-hat or ride pulse, then the snare displacement. The goal is to hear the layers simultaneously rather than feeling them as a coordination challenge. Mastering this analysis unlocks not just Bleed but the entire Meshuggah compositional method, revealing how displacement can create groove, tension, and resolution without ever leaving 4/4.2. Tomas Haake Profile — Map where each snare and cymbal accent falls against the 4/4 sixteenth-note grid before playing Count the full resolution cycle — how many bars before the accent pattern returns to beat one Layer the ostinato one limb at a time: feet first, then hi-hat pulse, then snare displacement Listen to the two layers simultaneously rather than treating them as a coordination obstacle Practice at a fraction of recorded tempo until the polyrhythmic logic is fully internalised
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