How is the meter of the music best described?

The meter of the music is best described as triple, with much syncopation, because triple meter implies a rhythmic structure based on three beats per measure, which often creates a flowing and lilting feel. The presence of syncopation indicates that there are unexpected accents or stresses within the beats, adding a sense of complexity and interest to the music. This combination is typical in various musical styles, where the use of off-beat rhythms complements the main beats, enhancing the overall dynamics of the piece.

In the context of the other options, while duple and quadruple meters focus on two or four beats per measure respectively and typically provide a more straightforward rhythm, they do not capture the essence of a triple meter with added syncopation. Likewise, a compound meter generally breaks down into groups of three but often involves a different feel and isn't necessarily characterized as syncopated in the same way as triple meter might be. Thus, the description of triple meter with much syncopation accurately reflects the unique aspects of the music in question.