(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
Many blues elements, such as the call-and-response format and the use of blue notes, can be traced back to the music of Africa. The origins of the blues are also closely related to the religious music of the Afro-American community, the spirituals.