This collection of 30 masterfully crafted duets is presented in standard notation. Each guitar part is also presented in its own booklet, written in standard notation and tab. Essential fingerings are included throughout. The online audio includes 90 tracks: stereo mixed of each duet, plus individual guitar parts for all 30 arrangements performed by renowned classical guitarists Edward Flower and David McLellan. Pieces include: Andantino (Sor) · Canon (Telemann)· Duet in F (Rondo) (Carulli) · Fugue (J.S. Bach) · Lesson for Two Lutes (Anonymous) · Lord Willoughby's Welcome Home (Dowland) · Malaguena, Espana, Op. 165 (Albéniz) · Oriental (Granados) · Polonaise (C.P.E. Bach) · and more. 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.