a feeling of depression or gloominess/melancholy, the state of being sad or in low spirits;
e.g. Waking up to gray skies and rainy weather always fills me with the blues.
(noun)
melancholic music of black American folk origin, formed in the southern United States toward the end of the 19th century, gaining a wider audience in the 1940s, as black people migrated to the cities;
e.g. Blues is what inspired rock and roll as well as the rhythm and blues, or R