The name Lefty Frizzell is a musty footnote for today’s boot-scootin’ country clubbers, but from 1950 to 1952, only Hank Williams rivaled him as the most popular country singer alive. Frizzell’s broken-vowel vocal style — delivered with a soulful intimacy — all but defined the hard-country tradition and became a major influence on subsequent stars Merle Haggard, Randy Travis, and Keith Whitley. From all accounts, Lefty Frizzell, who died at 47 in 1975, was a highly charismatic figure,