In the Mexica ???culture of the Aztec empire, an ozomatli, represented by a monkey, symbolized dance, art and music.And boy do the guys from Ozomatli take the meaning of their name seriously: Their music is a blend of rhythms ??? from salsa and reggae to jazz and hip-hop ??? that they???ll serve up at the Belly Up Tavern on Jan. 22 and 23.That mix of danceable genres, coupled with lyrics crammed w