Final answer:
The Mambo from West Side Story by Bernstein has lively and energetic rhythms with syncopation and accents placed on off-beats.
Step-by-step explanation:
The excerpt mentioned, the Mambo from West Side Story by Bernstein, is characterized by lively and energetic rhythms.
The rhythms are syncopated, with accents placed on off-beats, creating a sense of excitement and anticipation.
These rhythms are often associated with Latin American music styles, such as the mambo, which originated in Cuba.
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