The blues
genre is based on Atlanta-Blues
the blues form but possesses other characteristics such as specific lyrics,
bass lines and instruments. Blues can be Atlanta-Blues subdivided into several subgenres
ranging from country to urban blues that were more or Atlanta-Blues
less popular during different periods of the 20th century. Atlanta-Blues
Best known are the Atlanta, Piedmont, Jump and other blues styles Atlanta-Blues.
World War II marked the transition from acoustic to Atlanta-Blues
electric blues and the progressive opening of blues music to a wider audience,
especially white listeners. In the 1960s and 1970s, a Atlanta-Blues
hybrid form called blues-rock evolved.
The basic Atlanta-Blues
12-bar lyric framework of a blues composition is reflected by a standard
harmonic progression of 12 bars in a 4/4 time signature. The blues chords
associated to a Atlanta-Blues twelve-bar blues are typically a set
of three different chords played over a 12-bar scheme. They are labeled by
Roman numbers referring to Atlanta-Blues the degrees of the progression. For
instance, Atlanta-Blues for a blues in the key of C, C is the tonic chord (I)
and F is the subdominant Atlanta-Blues (IV).
