Martin Best, founder of the medieval music ensemble that bears his name, lived the life of a latter-day minstrel. He first learned the craft of music as an apprentice, studying classical guitar with two of the 20th century's greatest masters, Andrés Segovia and John Williams. He spent his journeyman years, however, among the peasants of a rural Spanish village. That part of Best's musical career was devoted to a simple lifestyle and the music of the folk. In that vein, he began a recording career with a wide variety of vocal and instrumental albums ranging across centuries (En...