Un dia com avui... 
*Lloc públic   >Operabase Professional 
20 Abril
NAIXEMENTS * Brunswick (1805) * Auguste Chapuis (1858) * Sem Dresden (1881) * Veselin Stoyanov (1902) * Josef Herrmann (1903) * Giovanni Malipiero (1906) * Jin Xiang (1935) * John Eliot Gardiner (1943)

ÒBITS * Johan Henrik Kellgren (1795) * Carl Loewe (1869) * Alexander Girardi (1918, 100 anys) * Paul Franz (1950) * Edward Johnson (1959) * Hilde Konetzni (1980) * Frederick Sharp (1988) * Giuseppe Sinopoli (2001)

ESTRENES Lord {Byron} Virgil Thomson
 

21 Abril
NAIXEMENTS * Béni Egressy (1814) * Charles Malherbe (1853) * Leo Blech (1871) * Jaroslav Kvapil (1892) * Randall Thompson (1899) * Leonard Warren (1911) * Bruno Maderna (1920) * Charles Hamm (1925) * Suzanne Sarroca (1927) * Bengt Rundgren (1931) * John McCabe (1939) * Jill Feldman (1952)

ÒBITS * Pietro Della Valle (1652) * Jean Racine (1699) * Marie-Justine-Benoîte Favart (1772) * Filippo Finazzi (1776) * Ferdinand Zellbell (1780) * Friedrich Christian Beuther (1856) * Otto Johann Anton Dütsch (1863) * Temistocle Solera (1878) * F C Burnand (1917) * Carlos López Buchardo (1948) * Olive Fremstad (1951) * Giulio Neri (1958) * James Melton (1961) * Jack Allan Westrup (1975) * Willi Boskovsky (1991)

ESTRENES Ginevra di Scozia Simon Mayr Undine Albert Lortzing Edgar Giacomo Puccini Il Cappello di paglia di Firenze Nino Rota Danton and Robespierre john c. Eaton
 

22 Abril
NAIXEMENTS * Henry Fielding (1707) * Friedrich Christian Beuther (1777) * Christian Friedrich Hermann Uber (1781) * Wilfred Bendall (1850) * Ethel Smyth (1858) * Aleksander Bandrowski-Sas Brandt (1860) * Armas Launis (1884) * Juan Vert (1890) * Kathleen Ferrier (1912) * Pascal Bentoiu (1927) * Michael Colgrass (1932) * Fiorenza Cossotto (1935)

ÒBITS * Miguel de Cervantes (1616) * Mario Savioni (1685) * Carlo Maria Maggi (1699) * Joseph Starzer (1787) * Josef Triebensee (1846) * Edouard Lalo (1892) * Emanuel Züngel (1894) * Ödön Mihalovich (1929) * Charles Friant (1947) * José Siqueira (1985) * Leslie Kondorossy (1989)

ESTRENES Naïs Jean-Philippe Rameau The Old Maid and the Thief Gian Carlo Menotti Semele John Eccles