на тази дата... 
*Сайт за публиката   >Operabase Professional 
20 април
РОДЕНИ * Brunswick (1805) * Auguste Chapuis (1858) * Sem Dresden (1881) * Veselin Stoyanov (1902) * Josef Herrmann (1903) * Giovanni Malipiero (1906) * Jin Xiang (1935) * John Eliot Gardiner (1943)

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

ПРЕМИЕРИ Lord {Byron} Virgil Thomson
 

21 април
РОДЕНИ * 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)

ПОЧИНАЛИ * 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)

ПРЕМИЕРИ 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 април
РОДЕНИ * 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)

ПОЧИНАЛИ * 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)

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