Jorma Kaukonen is an American blues, folk, and rock guitarist. Kaukonen performed with Jefferson Airplane and still performs regularly on tour with Hot Tuna, which started as a side project with bassist Jack Casady. Jack Casady is an American bass guitarist, best known as a member of Jefferson Airplane and Hot Tuna. Jefferson Airplane became the first successful exponent of the San Francisco Sound. Jefferson Airplane, was inducted into the Rock and Roll Hall of Fame in 1996. Jack Casady & Jorma Kaukonen have both hand signed this 1970 The Worst of Jefferson Airplane Album Cover/LP/Vinyl Record. JSA Authentication #AC92438 with JSA Certificate of Authenticity. Vinyl records ARE INCLUDED with the signed album cover. We cannot offer an accurate condition grade or assessment regarding either the cover or vinyl record/disc condition. All album covers and vinyl records/discs are in USED condition and will show some signs of handling, as shown.