The following content is related to the Holiday 2012 issue of Guitar World. For the full range of interviews, features, tabs and more, pick up the new issue on newsstands now, or in our online store:http://store.guitarworld.com/products/guitar-world-hol-12-aerosmith
This month, I'd like to demonstrate how I play the intro to "An Infinite Regression," the opening track from the latest Animals as Leaders album, Weightless. This part features a very unusual and unique "double-thumbing" technique that, I believe, was pioneered by the great jazz bassist Victor Wooten. As usual, all of the licks in this column are arranged for seven-string guitar (low to high, B E A D G B E), though I play the part on an eight-string.
For this intro, I use my pick-hand thumb to sound consecutive notes with a downstroke followed by an upstroke, after which I use the index and middle fingers for fingerpicking. Along with the fret-hand tapping that initiates each phrase, the combination of these different techniques lets you devise cool, rhythmically complex and deceptive-sounding riffs like this one.
Prog-Gnosis with Tosin Abasi: How to Play the Thumb-Slapped Intro to "An Infinite Regression"