(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
Origins of the blues. Little is known about the exact origin of the music now known as the blues. No specific year can be cited as the origin of the blues, largely because the style evolved over a long period and existed in approaching its modern form before the term blues was introduced and before the style was thoroughly documented.