Yes, he is …

… Glen Campbell is the most underappreciated musician in America. (Hat tip, Dave Lull.)

But the most salient fact about Campbell and his career is that he was always very consciously making music for adults. If there is anything that could do with a revival in 2017, it's well-crafted, lushly produced records of men and women singing recognizable songs accompanied by traditional instruments.

There is, however, this: Interview: Glen Campbell’s Wife and Daughter Discuss His Final Album, ‘Adios’.