Roulade n. (Mus.) A smoothly running passage of short notes (as semiquavers, or sixteenths) uniformly grouped, sung upon one long syllable, as in Handel's oratorios.
... overcoat handed him by the girl with the bandaged eye and crossed the threshold when the distinct sounds of Clementi's roulade broke out. ... — The Awakening - The Resurrection • Leo Nikoleyevich Tolstoy