[1] The magazine offers information, inspiration, and instruction related to acoustic guitars for players of all levels from beginners to teachers.

Each issue includes three or so songs with notation and tablature, lessons, product reviews and interviews of prominent acoustic musicians.

Acoustic Guitar was founded in the summer of 1990 under the editorial direction of Jeffrey Pepper Rodgers as a publication of String Letter Publishing of Richmond, California.

[9] Cahill is the creator of the publication's popular online video series called Acoustic Guitar Sessions," featuring interviews and performances by the likes of Richard Thompson, Ed Sheeran, the Milk Carton Kids, Ani DiFranco, Robert Earl Keen, Valerie June, Bruce Cockburn, and many others.

The magazine is sponsor or co-sponsor of a number of music festivals, workshops, and trade related events, including MerleFest, the Woodstock Invitational Luthiers Showcase, and the Santa Barbara Acoustic Instrument Celebration.