(1) Prokofiev fashioned a suite of six pieces resembling a classical divertimento , but one laced with dissonances, evoking Stravinsky's Octet.(2) The divertimento is in five short movements, and humor, not abundant elsewhere on this disc, is in the forefront.(3) A cassation is akin to a divertimento ; Mozart composed a few early in his career, but it is a relatively unusual genre.(4) Like his contemporaries, Joseph Haydn wrote very early divertimentos for string quartet.