Which of the following is the characteristics of folk songs?

Explanation:Acoustic instruments.

Simple chord progressions such as C-F-G or Am-G.

Simple time signatures such as 3/4 or 4/4.

"Sharp" or natural keys such as C, D, E, G or A.

Simple scales such as pentatonic minor (blues), pentatonic major, major, melodic minor and mixolydian.

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