Question: Which composer worked closely with both Joseph Sonnleithner and Luigi Cherubini both in personal and professional capacities?
Sentence (from "Lodoïska"): Lodoïska is an opera by Luigi Cherubini to a French libretto by Claude-François Fillette-Loraux after an episode from Jean-Baptiste Louvet de Couvrai’s novel, "Les amours du chevalier de Faublas".
Relevant evidence: No