Afro 6/8 vamp — the Mongo Santamaría / Coltrane "Afro Blue" feel: a jazz rhythm section playing the Afro-Cuban bembé in 6/8, two bars to one cycle of the 12/8 bell (x·x·xx·x·x·x, on the clave line). The bpm is the eighth-note's quarter grouping as everywhere in this dictionary, so 165 is a dotted-quarter pulse of 110.
The bass plays the signature ostinato — root held for a dotted quarter, then fifth, seventh and octave in eighths that run up into the next bar; the piano states a quartal voicing on 1 and again on the fourth eighth (the bell's "xx" pair), and the kit keeps it small: kick on 1, cross-stick on the 3rd and 6th eighths, hat on the second dotted quarter. Harmony is a static i–iv (Gm7 / Cm7).
Listen for the two pulses at once — three groups of two (the bass eighths) against two groups of three (kick and hat); the bell holds both. Practice: sing the bell, tap the dotted-quarter pulse with your foot, then play the bass line and keep the fifth-seventh-octave run inside the bell.