Definition of "ostinati" [ostinati]

• Plural form of ostinato. (noun)

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• "As the lovely ostinati continues, it finally reaches a point at 1:20 when electric bass enters to ground everything into a strong and coherent, almost jaunty emotion."
• "As if it weren't enough to suggest insistent hip-hop rhythms with heavily pedaled bass ostinati, or to give Schumann a whirl ( "Auf Einer Burg"), Mr. Moran also throws into the mix a dollop of stride, the prewar two-handed school of jazz piano that's all about instrumental virtuosity and high spirits."
• "Kronos completes this process of abstraction from folk roots, exquisitely balancing the rough textures and string-scrapings of country fiddling with classical-sounding ostinati."