When Campbell was in his hayday, the line between pop and country was a lot narrower than it is today. I don't think of him as a country legend (though, of course he is), I think of him as a pop star. In addition to being a fine singer, Glen Campbell was also an excellent guitarist. Search YouTube for the evidence. And Gentle on My Mind is one of my all time favorite songs, though I do prefer the version by John Hartford, who wrote it.