The "Trésor de la Langue Française informatisé" provides this etymology of blues and cites Colman's farce as the first appearance of the term in the English language; see "Blues" (in French).
Truy cập ngày 11 tháng 8 năm 2008.  ^ The "Trésor de la Langue Française informatisé" provides this etymology to the word blues and George Colman's farce as the first appearance of this term in the English language, see “Blues”.