In This Article
What Are Bols?
One of the most remarkable features of Indian percussion is that every stroke has a spoken syllable — called a bol. These bols aren't just pedagogical tools; they form a complete language that can be recited, composed, and taught orally. A tabla player doesn't just learn to play rhythms — they learn to speak them.
This oral tradition of rhythm is unique to Indian classical music and is the foundation of how tabla is taught and transmitted. Before a student plays a composition, they recite it. The verbal rhythm is internalised first, then translated to the hands.
The Basic Bols
The tabla has approximately 20-25 distinct bols, each corresponding to a specific hand technique. The most common include:
- Na — a sharp, clear stroke on the right drum (dayan) using the index finger on the edge
- Tin — similar to Na but on a different part of the drum, producing a slightly different tone
- Dha — a combination stroke: "Na" on the right + "Ge" on the left, played simultaneously, creating a full, rich sound
- Ge/Ghe — a bass stroke on the left drum (bayan) using the wrist for resonance
- Ke/Ka — a closed stroke on the bayan, producing a sharp, non-resonant tone
- Tun/Tu — an open, ringing stroke on the dayan centre
- Tit, Tete, Taka — faster, combination bols used in rapid passages
Compositions in Bols
Classical tabla compositions — kaidas, relas, gats, tukdas, and tihais — are each built from specific bol patterns, often with strict mathematical structures. A kaida, for example, is a theme-and-variations form where the main pattern is elaborated through systematic transformations. Students practise kaidas for years, gradually increasing speed while maintaining clarity of every bol.
Tabla gharanas are distinguished partly by their bol vocabularies and compositional preferences. The Lucknow gharana favours delicate, nuanced bols played with the fingertips. The Punjab gharana uses powerful bass-heavy bols with wrist emphasis. The Benares gharana features distinctive open strokes that cut through any ensemble.
Listening for Bols
For rasikas, learning to identify bols transforms tabla listening. Start by distinguishing the basic sounds: the sharp "Na" versus the resonant "Tin," the deep "Ge" versus the closed "Ke," the full "Dha" with both hands. Once you can pick these out, you'll start recognising patterns — the signature "Dha Ge Na Tu Na" of a kaida, the driving "Ti Ta Ka Dhi Na Dhin Na" of a rela.
Watching tabla players live is particularly instructive because you can see the hand movements alongside hearing the bols. Ustad Zakir Hussain, in his legendary concerts, often recites the bols aloud while playing — creating an extraordinary dual performance where voice and hands work together to express the same rhythmic ideas. This is tabla at its most complete: language, music, and movement unified.