Describe these three musical elements that distinguish the blues sound:

• Call and response • 12 bar blues • Blue tonality

Call / response : a statement is made or a question asked, and the response or answer follows. 12 bar : The twelve-bar blues is one of the most prominent chord progressions in popular music. Blue tonality : blues tonality consists of a scale, the blues scale, accompanied by characteristic microtonal blue notes in between the scale tones.

Explanation:

Call / Response - Sometimes the response is simply a repetition of the leader's call, and sometimes it's a traditional statement of affirmation. You hear this in music of all kinds, but most notably in the blues.12 bar : The blues progression has a distinctive form in lyrics, phrase, chord structure, and duration. In its basic form, it is predominantly based on the I, IV, and V chords of a key.Blue tonality :  Blues harmony comprises chords whose roots are blues scale notes, but whose other constituent pitches may be drawn from the entire chromatic scale.

Call and response they compliment each other in the song

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