When it comes to rock ‘n’ roll longevity, Mick Jagger and Keith Richards have nothing on the duo that makes up Hot Tuna, headliners at Sunday’s Madrid Ballpark Folk and Blues Fest.

Jorma Kaukonen, son of a State Department official, and Jack Casady, whose father was a Washington, D.C., dentist, have been making music together since 1958 – three years before the leaders of the Rolling Stones famously met on a train platform.

In a phone interview last week, Casady said the musical partnership has lasted so long firstly because he and Kaukonen are friends. “And that friendship comes aside from the business of music,” he said.

[Read more: http://www.abqjournal.com/804361/hot-tunas-roots-friends-in-music.html]