Harmonica Fats was actually Harvey Blackston, a former Louisianan who learned the blues growing up on his grandfather's farm; his longtime partner, Bernie Pearl, a native Angeleno, learned the blues from the musicians who frequented the fabled Ash Grove (a folk and blues club run by Pearl's brother Ed), including Lightnin' Hopkins and Mance Lipscomb.
In the early '50s, Fats took up harmonica as self-prescribed therapy while recuperating from an auto accident. Once confident, he formed a band, playing clubs around Los Angeles, and was known then as "Heavy Juice." Just as care...