Porter muses over the highlights of his vast collection used on records by everyone from B.B. King to Eric Clapton to the Smiths.

"Porter purchased this from Pete Townshend's guitar tech Alan Rogan 40 years ago for $70. The guitar was originally red and the bass pickup is the first ever demo model Mighty Mite Pickups. Known as JohnÃ??s Ã??lucky instrument, this is featured on Porter's work with Eric Clapton, Jeff Beck, Joe Walsh, and Lucky Peterson. It even powered the Smiths on several occasions. "A lot of what's considered Johnny Marr's chiming Rickenbackers are actually that guitar," Porter says. "I used it to play the slide part on "How Soon Is Now?"