Alfred's Basic Rock Guitar Method 2: Starts on the Low E String To Get You Rockin' Faster! By Nathaniel Gunod, L. C. Harnsberger, and Ron Manus. Book 2 features new techniques like hammer-ons, pull-offs, slides, and teaches you barre chords, new scales, and how to improvise with pentatonic scales. There are many more licks and melodies in the styles of many of the greatest rock artists, and an authentic arrangement of the opening from Led Zeppelin's "Stairway to Heaven."