This adjective names a C-major overture by Sergei Lyapunov “on Russian themes.” Alexis Petit-Will may have requested a “little” piece named for this adjective played with a setting of “O salutaris hostia.” That piece named for this adjective, scored for 12 voices, two pianos, and a harmonium, was described by its composer as “the last of my péchés de vieillesse” (”peh-SHAY deh VEE-yay-esse”) after not writing an opera for 30 years. This (*) non-year adjective nicknames a piece in which violas (-5[1])and cellos play the “Troparion of the Cross” and includes the hymn “O Lord, Save Thy People.” (-5[1])The 1812 Overture is alternatively named for an overture described by this adjective, which in Latin describes a High Mass written by Beethoven dedicated to Archduke Rudolf. For 10 points, name this adjective denoting ceremonious pieces. (10[1])■END■ (0[4])