If you’ve followed us for any amount of time, you know we’ve long been championing the music of Blake Mills. Simply put, he’s one of the most inspiring guitarists we’ve ever heard and perhaps the closest things millennials will ever have to a guitar hero of their own like Ry Cooder. Over the years, we’ve filmed Mills at our office, invited him to the first Fretboard Summit (he famously got to duet with Bill Frisell there for the first and only time) and even put him on the cover of our 34^thissue. The latter article was...