An introduction and preview of all of the tunes, with samples of notation, fretboard videos, and some of the introduction videos that come with each tune.

(there are no separate preview videos, except one about LH fingering)

The introductory part of the Guide can be viewed below.

The video below is about how to work with audio and notation screens, using the Jazz Guitar Improvisation Workout as an example.

Video: Working with audio and notation

Note: on a cell phone, you will need to zoom in the notation window, which is not done in this video.