The "Guitar World: Play Rock Bass!" DVD is an instructional guide designed for beginner musicians looking to learn how to play rock bass guitar. Created by author Matt Scharfglass, this DVD features essential techniques such as fingerstyle playing, reading tabs, fretboard patterns, and music theory. With a length of 7.5 inches and a height of .2 inches, this DVD is a comprehensive resource for anyone wanting to improve their rock bass skills. Written in English and produced by Alfred, this DVD is a valuable addition to any guitarist's collection.