Music in this medium was studied in a 2005 monograph with a punning title by Daniel Goldmark, who analyzed the use of the twelve-tone system by Scott Bradley. A composer who worked in this medium created the “tick-system,” sometimes credited as the first click track. Although it was not written for this medium, Raymond Scott’s “Powerhouse” featured in over 40 works in it, (10[1])many of which were scored by Carl W. Stalling. A character from this medium names the practice of matching music to on-screen movement. (10[1])In (10[1])1946, two alliteratively titled works in this medium, titled for a “Concerto” and “Rhapsody” respectively, had plots centering around a performance of Liszt’s Hungarian Rhapsody No. 2 that is repeatedly interrupted by a mouse. For 10 points, name this medium whose Merrie Melodies series includes What’s Opera, Doc? ■END■