This episode begins with Mozart—the glorious, peppy last movement of a piano concerto—and ends with Sarah Vaughan, singing a song (“Black Coffee”). In between we have Bill Monroe, Fanny Mendelssohn, Earl Scruggs—a real variety show. But all to a purpose.Mozart, Piano Concerto No. 14 in E flat, K. 449, last movementClarke, “The Cloths of Heaven”Monroe, “Blue Moon of Kentucky”Bernstein, “Some Other Time”Mendelssohn, Fanny, arr. Masur, Ken-David, “Schöne Fremde”Dunhill, “The Cloths of Heaven”Kern, “Why Was I Born?”Scruggs, “Foggy Mountain Breakdown”Burke, “Black Coffee”