(Guitar Educational). This cool book/online audio pack presents a wide selection of riffs in a variety of styles, just waiting to be used in your solos! The riffs are organized by blues style and by placement within the standard 12-bar format (first, second and final four measures) so you can assemble your solos easily, section by section. This is the ultimate resource for beginning and intermediate blues guitarists seeking a straightforward route to solo-building, as well as for seasoned pros who want to further stock their arsenals. Includes recorded demos of every lick! Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.