Chart with online audio. Contains 87 tunings (47 for guitar) for various common and hard to find instruments. Many tunings are offered for most instruments. Instruments include guitar, mandolin, banjo, dulcimer, bass, harp guitar, balalaika, oud, charrango, bouzouki, tres, ukulele, bajo sexto, dobro/lap steel, vihuela and requinto. Includes the most common tunings as well as many exotic tunings, especially for guitar. Online audio features all of the tunings played on the actual instruments. 3 pp.