This chapter introduces a more extreme degree of melodic and harmonic chromaticism in music from Vivaldi to Coltrane. 26-1 Mendelssohn, Violin Concerto in E Minor 26-2 Brahms, Sonata for Violin and Piano, op. 100 26-3 Tchaikovsky, Symphony no. 4 in F Minor, op. 36 26-4 Porter, “What Is This Thing Called Love?” 26-5 Ellington and Mills, “Sophisticated Lady” 26-6 Coltrane, “Giant Steps”