Answer:

blues

Answer	Crossword Clue
BLUES	James Cotton forte
BLUES	Music genre
BLUES	Waters genre

BLUES	Birth of the ..
BLUES	Robert Cray's bag
BLUES	W.C. Handy's realm
BLUES	W.C. Handy's genre
BLUES	B.B. King genre
BLUES	Baby ..
BLUES	Bessie Smith's music
BLUES	Muddy Waters genre

BLUES	Bessie Smith's genre
BLUES	Rhythm's partner
BLUES	Style of many Billie Holiday hits
BLUES	Mose Allison's genre
BLUES	Jazz relation
BLUES	Colorful music?
BLUES	"... in the Night": Mercer
BLUES	B.B. King specialty

BLUES	Handy specialty
BLUES	Jazz form
BLUES	Big Mama Thornton's genre
BLUES	30 Down's specialty
BLUES	B.B. King's music
BLUES	Pop music form
BLUES	B.B. King's genre
BLUES	Rhythm and .. (music genre)

BLUES	Sad song genre
BLUES	Jazz genre
BLUES	W.C. Handy's style
BLUES	St. Louis hockey team
BLUES	Holiday music
BLUES	Type of folk song.
BLUES	Type of folksong.
BLUES	St. Louis' most famous product.

BLUES	W. C. Handy specialty.
BLUES	Kind of music.
BLUES	Uniform of a branch of the Armed Services.
BLUES	W. C. Handy-type song.
BLUES	Composer Handy's forte.