of phase when in parallel. This phasing option was also unusual for 1964. It also meant that, as both pickups were floating with respect to ground, it was possible to modify the wiring to put the pickups into series either in or out of phase without excessive noise. The unusual switching could also be replaced with a conventional 3 way pickup selector switch, such as found on the early Fender Duo-Sonic models. However this usually requires modification of the pickguard and routing of the body. Installing an alternative pickup selector switch on the Mustang, like seen on early Duo-Sonics, can thus free up the two, eight-terminal, pickup switches for other uses. Some players choose and prefer this option. As with many student guitars, aftermarket pickup additions and changes are commonly found in many vintage examples. Vibrato arm The Mustang introduced the Fender Dynamic Vibrato tailpiece, which together with a floating bridge forms the Mustang vibrato system. The floating bridge concept is common to the Fender floating vibrato developed for the Jazzmaster, but on the Mustang the saddles have only a single string slot, while on other Fender guitars there are multiple slots to allow limited adjustment of the string spacing. The tailpiece was unique when introduced and remains the most unusual feature of the Mustang; Only the Jag-Stang and Fender Custom (Maverick) share this particular mechanism. While not nearly as popular as the Stratocaster synchronized tremolo, some guitarists prefer it over all other vibrato mechanisms. However, some guitarists also claim that the vibrato is too sensitive. Most notably, Fender incorporated it in the custom design which became the Jag-Stang. No previous Fender student guitar had a vibrato system at all, and the subsequent Fender Bronco used a completely different mechanism, without a floating bridge. The Mustang was the last of the Fender floating bridge models to be withdrawn, and the first to be reissued. Mustangs have maintained a popular following in Japan. Colors The Fender Mustang was originally produced in what Fender simply referred to as Blue, White, and Red from 1964–1968. Some now erroneously label these colors as Daphne Blue, Olympic White, and Dakota/Fiesta Red (actually two distinct custom red colors available from Fender) due to their similarity with these custom colors. However, Fender further notes in sales literature of the time that custom colors were not available on Mustangs or other student models of guitar. As such, Daphne