Complete this sentence: " Béla Fleck is to the banjo as ______ is to the _______." Louis Armstrong to the trumpet? Jimi Hendrix to the guitar? Clara Rockmore to the theremin? Among North American banjo players, only Earl Scruggs is as legendary (to diehard fans of bluegrass) for pioneering new techniques on this instrument. From his early tutelage with Tony Trischka and nine years with the New Grass Revival to ingenuity with Béla Fleck and the Flecktones and masters of other genres - as well as