Trio X has impressed its name on the world of music. Questions were once raised about the meaning of the X, particularly by me. According to American history, the X correlates to the signature of a slave who had no name. For this trio, its name is associated with a definite sound signature. The X has become reflexive, for there is only one Trio X. In a Sunday afternoon gig arranged by the Arts for Art group at the Clemente Soto Velez Center, Trio X broadened the small stage on which th