The roots and trunk of a tree. Continuation from “the old man”: Know thy instrument (No. 2) Let’s for a brief moment revert to how the guitar has evolved as instrument … · Acoustic guitars constitutes several subcategories of the acoustic guitar group: classical and flamenco guitars ; steel-string guitars, which include the flat-topped, (or "folk"), guitar; twelve-string guitars ; and the arched-top. · Renaissance and Baroque guitars are the ancestors of the modern classical and flamenco guitar . They are substantially smaller, more delicate in construction, and generate less volume. · Classical guitars , a.k.a " Spanish " guitars, are typically strung with nylon strings, plucked with the fingers, played in a seated position and are used to play a diversity of musical styles inclu...