Scat singing is used in jazz music. It is performed by using the voice to make sounds, but not using any recognisable words. A singer would improvise (make up) a solo using nonsense syllables which is like a musical instrument solo in a song. Scat singing probably started when singers like Louis Armstrong and Ella Fitzgerald began to use their voices copy the sounds of instruments.^[1]

• Cunliffe, Thomas (2011). "The Dozens: Scat Singing". jazz.com. Archived from the original on 12 December 2011. Retrieved 30 December 2011.

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