The and the bomba are the roots of Puerto Rican music, and though they're classed as Afro-Puerto Rican, they've moved beyond that to be the rhythms of the island. The bomba's roots go back to the 17th century, while the developed in the early 20th century. Both are very percussive, as and his group, , show here -- in fact, the only non-percussive instrument is flute. These are people familiar with the traditions, as in the The emphasis here is definitely on the , although the bombas, which make up four of the 12 tracks, offer a very distinctive, rooted flavor -- provides a wonderful vocal on with a text derived from some forgotten African language. One of the greatest joys comes at the end, on which essentially deconstructs the rhythm, letting the listener understand how it all comes together. The performances throughout are explosive and joyful -- just listen to the requinto drums on for example. This is folkloric music that's very much alive and kicking, a living tradition that continues to grow. ~ Chris Nickson