vibrational progressions
1Classical guitar — A modern classical guitar from the front and side String instrument Hornbostel–Sachs classification 321.322 5 (Composite chordophone sounded by the bare fingers or …
2Modal — may refer to: Modal (textile), a textile made from spun Beechwood cellulose fiber Modal analysis, the study of the dynamic properties of structures under vibrational excitation Modal bandwidth, in the discipline of telecommunications, refers to… …
