There is a droning, strangely intoxicating groove to this song, like a reckless combining of a two-on-the-tongue night of acid and some grease-popping north Mississippi blues.

Although folk singer and future Quicksilver Messenger Service vocalist Dino Valenti is said to have composed “Hey Joe,” it was actually copyrighted by Billy Roberts.

A star-stuffed stop by Jefferson Starship at the Roswell UFO Festival offers new insight into the legends of Jefferson Airplane, the Dead and CSN, as well — along with a powerful reminder of that era’s deep sense of musical community.

A couple of mornings ago, me and one of my music nerd friends were having a good chuckle over the results of a recent scientific study, the distillation of which was published online at The Economist.