Gioachino Rossini so successful that the fame of Paisiello's opera was transferred to Rossini's, to which the title "The Barber of Seville" passed as an inalienable heritage. Later in 1822, a 30-year-old Rossini succeeded in meeting Ludwig van Beethoven, who was then aged 51, deaf, cantankerous and in failing health. Communicating in writing, Beethoven noted: "Ah, Rossini. So you're the composer of "The Barber of Seville". I congratulate you. It will be played as long as Italian opera exists. Never try to write anything else but opera buffa; any other style would do violence to your nature." Between 1815 and 1823 Rossini
Opera buffa opera seria deals with gods and ancient heroes and only occasionally contained comic scenes, "opera buffa" involves the predominant use of comic scenes, characters, and plot lines in a contemporary setting. The traditional model for opera seria had three acts, dealt with serious subjects in mythical settings, as stated above, and used high voices (both sopranos and castrati) for principal characters, often even for monarchs. In contrast, the model that generally held for "opera buffa" was having two acts (as, for example, "The Barber of Seville"), presenting comic scenes and situations as earlier stated and using the lower male voices