41. The " guajeos " ( ostinato melodies ) are often built upon offbeat patterns. 42. This repetitive harmonic progression dominates the entire movement, implying a harmonic ostinato beneath the melody. 43. The continuo plays ostinato a motif which is derived from the first line of the chorale. 44. The unifying element is rhythm : intoxicating in its driving ostinatos , intricate layerings and metrical shifts. 45. Boogie-woogie is built on an ostinato bass, an obsessively repeated rhythmic and harmonic pattern. 46. Even the origin of the rough-grained, brittle and jerky musical structure backed by ostinatos , 47. In the following example, a Ghanaian gyil sounds a 3 : 2-based ostinato melody. 48. Ostinato plays an important part in modal and Latin jazz and traditional African music including Gnawa music.49. The slower secondary theme introduces a melodic element associated with the ostinato element of the previous theme. 50. Vocal polyphony based on ostinato formulas and rhythmic drone are widely distributed in all Georgian regional styles.
