This is a great resource: Characteristics of Musical Keys (biteyourownelbow.com) From http://www.wmich.edu/mus-theo/courses/keys.html From Christian Schubart’s Ideen zu einer Aesthetik der Tonkunst (1806) translated by Rita Steblin in A History of Key Characteristics in the 18th and Early 19th Centuries. UMI Research Press (1983). C MajorCompletely Pure. Its character is: innocence, simplicity, naïvety, children’s talk. C MinorDeclaration of love …