Jazz Night In America with Christian McBride

Friday and Sunday at 9 p.m

Jazz musicians, almost by definition, seek an active dialogue between the impulsive and the rational. For some, the terms of that negotiation become a central feature of their art. Dan Tepfer is one of those: a pianist and composer who sees improvisation as the ideal expression of freedom within a framework.

Jazz has its capital cities: major hubs like New York, Chicago and New Orleans. But the music manages plenty well in many other places, too. What goes into those smaller ecosystems to enable jazz to thrive? How do talented musicians make it happen? In search of some answers, we sought out the DIY concert producers of CapitalBop in Washington, D.C., as they presented artists from the Baltimore-Washington area. And we met with the musicians themselves — in one case, touring the place he calls home.

Pedrito Martinez is a world-class Afro-Cuban percussionist — a rumbero called upon by many jazz and pop stars when they need hand drumming, as well as a Grammy-nominated singing bandleader in his own right. He's also a Santería priest.