Original sentence: Another critical aspect of Eddie's playing has been his guitar tone, the Brown sound.Van Halen achieved his distinctive tone by using a  stock 100-watt Marshall amp, a Variac to lower the voltage of the amp to change the tone, and a "Frankenstrat" guitar Van Halen constructed using a 50's Fender Stratocaster body, a vintage Gibson P
Edited sentence: " Van Halen achieved his distinctive tone by using a  stock 100-watt Marshall amp, a Variac to lower the voltage of the amp to change the tone, and a "Frankenstrat" guitar Van Halen constructed using a 50's Fender Stratocaster body, a vintage Gibson P.Another critical aspect of Eddie's playing has been his guitar tone, a judiciously distorted (and thus less dynamically compressed) timbre Van Halen has called the "Brown sound.In addition, he is one of the most highly regarded, and widely imitated, electric guitarists in rock music, with an innovative style, technique and sound that has helped define the genre.This guitar is strung with what initially was an unorthodox selection of mixed string gauges, with light-gauge strings used for the wound (bass) strings and heavier unwound (treble) strings (of course, this assortment was packaged commercially after Van Halen popularized it, as the "5150" set offered by Ernie Ball)