 The main classical repertoire was transcribed from orchestral scores by Tony Chiapparin, a French professor and composer.Later on, the brothers also arranged material by themselves.The repertoire consisted mainly of large orchestral compositions such as Beethoven's Symphony Nr 5, Coriolanus and Egmont overtures, Mozart's Symphony Nr 40, Sibelius' Finlandia and Karelia suite, Tchaikovsky's music from the Swan Lake, Sarasate's Gipsy Air, Saint-Saëns' Introduction and Rondo Capriccioso, Paganini's Moto Perpetuo and Le Sreghe, von Suppé's the Light Cavalry overture, Johann Strauss’ the Bat overture etc.