(vÄ'pÉr) 1  The gaseous state of a substance that is normally liquid or solid at room temperature, such as water that has evaporated into the air. See more at vapor pressure, See also water vapor. 2  A faintly visible suspension of fine particles of matter in the air, as mist, fumes, or smoke.
The belief that blues is historically derived from the West African music including from Mali is reflected in Martin Scorsese âs often quoted characterization of Ali Farka Toure âtourÃ© s tradition as constituting THE dna of the. blues
Blues is about tradition and personal expression. At its core, the blues has remained the same since its inception. Most blues feature simple, usually three-chord, progressions and have simple structures that are open to endless improvisations, both lyrical and musical. The blues grew out of African spirituals and worksongs.