Monotonic scale phrase is marked by a descending glissando. Monotonic passages are also used in art music for stylistic effect. In Schubert's "Death and the Maiden", the character of Death generally employs monotonic recitation, described by one scholar as depicting "an inanimate being incapable of the lyricism of the living." In "La gazza ladra" (1817), Rossini represents Ninetta's simplicity and innocence with an almost monotone declamation at "A mio nome deh consegna questo anello", whereas in the Wolf's Glen scene of "Der Freischütz" (1821), Weber characterizes the powers of evil by having the invisible spirits sing in monotone, and denies song entirely
Rudy La Scala under the name Flavio, released the song "Piensa, Sueña y Rie". Three years later, he changed his name to Rudy La Scala and presents the song "Woman", issued in Venezuela, Brasil, France and South Africa. The following year, La Scala recorded in Italy an album with Vittorio De Scalzi, the lead singer of the Italian progressive rock band New Trolls. In 1979, La Scala along with Cuban-Venezuelan singer María Conchita Alonso in the lead vocals formed Ambar, a disco music duo. They recorded "Love Maniac", and the song "It's Time to Dance" became a hit, earning them a Gold album