Henry possesses a diverse repertoire of musical talents. Beethoven's works remain mainstays of the classical music repertoire. Czerny had an influential role in defining the canon of classical piano repertoire. It has remained a staple of the operatic repertoire. It is the lowest vocal note in standard classical repertoire. Many composers have written works that have become favorites in the horn repertoire. The Narasimha legends have been a part of various Indian classical dance repertoire. Rubinstein recorded much of the core piano repertoire, particularly that of the Romantic composers. Horowitz is best known for his performances of the Romantic piano repertoire. Gospel music was a staple of his performing repertoire. The show featured musicians performing unplugged versions of their electric repertoire. Her material at this time represented a departure from her typical jazz repertoire. "Aida" continues to be a staple of the standard operatic repertoire. She began singing jazz in nightclubs with a bias towards Ella Fitzgerald repertoire. Today "Idomeneo" is part of the standard operatic repertoire.