The Appalachian branch of bluegrass
"Scat singing is a kind of which a singer improvises with nonsense syllables"
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Artworks are grouped into periods or styles based on similarities that they share, for example a similar time of creation (for example, Medieval), a similar use of technique (for example, pointillism) or similar subject of depiction (for example, portraits).
Answer:
Math,science,civics,and ELA
Explanation:
AND C O V I D