The 2012 Alfred Guitar World: 20 Essential Beginner's Blues Licks Sealed DVD is an instructional DVD featuring various artists and authored by Andy Aledort. It focuses on teaching beginner-level blues licks, including walking bass lines, shuffle rhythm patterns, and how to add fills. The DVD is part of the Lick Pack Lessons series published by Alfred, providing over 60 minutes of lessons in English language. With a compact size of 7.5 inches in length, 5.3 inches in width, and 0.6 inches in height, this instructional DVD is a valuable resource for beginner guitarists looking to enhance their blues playing skills.