DiMarzio DP289F Steve Vai Signature UtoPIA Bridge Humbucker Pickup (Purple)Designed for Steve Vai's signature Ibanez PIA guitar, the UtoPIA Bridge pickup features a custom, laser cut baroque style cover over a gold patterned layer. Using the Evolution Bridge as the basic platform, the UtoPIA Bridge was designed to focus more on the low end response of the guitar while adding thickness and body to the top end. The challenge was to still deliver the harmonics for which the Evolution is known. Upper midrange frequencies were