I’m not sure he’s so underrated by those old enough to recall his late 1960’s and 1970’s prime, or anyone who delves into country music history, where his standing is definitely as one of the greats - though you might be right in regards to his guitar mastery being not fully appreciated. This is how I introduced him (in part) to the potted history feature of him in post # 507 -Criminally underrated is Glen Campbell.
Such a talent and wow oh wow what a guitarist.
“… his fusion of country mannerisms and lyrics with pop melodies and L.A. pop production techniques as well as having his own TV show made him one of the most popular musicians of the late 1960s and '70s - and not just in the U.S. country charts (such as more hard-core country heroes like George Jones and Loretta Lyn) but also on the U.S and internatiomal pop charts (such as in Australia). And if the very obvious pop overlay on his music sometimes made country music fans feel somewhat ambivalent, nevertheless his outrageous talent and crossover pop appeal must be admitted and admired - and he delivered some truely great songs, he was a great vocalist and there's no question he was one of the most skilled guitarists of them all …”