Šajā dienā . .  
*Publiski pieejama vietne      >Operabase Professional 
02 aprīlis
DZIMŠANAS DIENAS * Marcellus Laroon (1679) * Giacomo Tritto (1733) * Franz Paul Lachner (1803) * Hans Christian Andersen (1805) * Teodulo Mabellini (1817) * Emile Zola (1840) * Antun Dobronić (1878) * George Cehanovsky (1892) * Rudolf Bockelmann (1892) * Danilo Švara (1902) * Kurt Herbert Adler (1905) * Jean Kurt Forest (1909) * Alain Vanzo (1928) * April Cantelo (1928) * Fritz Uhl (1928) * Barbro Ericson (1930) * Girolamo Arrigo (1930) * Richard Taruskin (1945)

NĀVES DIENAS * Ferdinand III (1657) * Johann Löhner (1705) * Hugo Kaun (1932) * Antonio Cortis (1952) * Tudor Davies (1958) * Mukhtan Tulebayevich Tulebayev (1960) * Renzo Bossi (1965, 50 gadi) * Jascha Horenstein (1973) * Pascual de Rogatis (1980)

PIRMIZRĀDES Der Arme Heinrich Hans Pfitzner Merrie England Edward German Simplicius Simplicissimus Karl Amadeus Hartmann Deirdre Healey Willan
 

03 aprīlis
DZIMŠANAS DIENAS * Alessandro Stradella (1639) * Jean-Baptiste Lemoyne (1751) * Reginald De Koven (1859) * Eduardo Sánchez de Fuentes (1874) * Felice Hüni-Mihaczek (1891) * Mario Castelnuovo-Tedesco (1895) * Maud Cunitz (1911) * Sixten Ehrling (1918) * Murray Dickie (1924) * Joseph Kerman (1924) * Kerstin Meyer (1928) * Jorma Hynninen (1941) * Stephen Wadsworth (1953) * Russell Currie (1954)

NĀVES DIENAS * Francesco Corselli (1778) * Edouard Du Puy (1822) * Václav Jan Křtitel Tomášek (1850) * Sigismund Neukomm (1858) * Franz Berwald (1868) * Richard D'Oyly Carte (1901) * Paul Geisler (1919) * Paul Gilson (1942) * Kurt Weill (1950) * Alexander Borisovich Khessin (1955) * Manolis Kalomiris (1962) * Oscar Ralf (1964) * Mariya Lytvynenko-Vol'hemut (1966) * Gertrude Kappel (1971) * Antanas Račiūnas (1984) * Peter Pears (1986)

PIRMIZRĀDES Ruy Blas Filippo Marchetti At the Boar's Head Gustav Holst Donnerstag aus Licht Karlheinz Stockhausen
 

04 aprīlis
DZIMŠANAS DIENAS * Giuseppe Maria Orlandini (1676) * Niccolò Antonio Zingarelli (1752) * Stephen Storace (1762) * Hans Richter (1843) * Pierre Monteux (1875) * Gabriel Grovlez (1879) * Isidoro Fagoaga (1895) * Nicolas Nabokov (1903) * Eugène Bozza (1905) * Sven Olof Eliasson (1933) * Sergey Leiferkus (1946) * Salvatore Sciarrino (1947) * J Patrick Raftery (1957) * Jane Eaglen (1960)

NĀVES DIENAS * Friedrich Christian Bressand (1699) * Nicola Sabatino (1796) * Joseph Platzer (1806) * Jan van den Eeden (1917) * George W Chadwick (1931) * Raoul Laparra (1943) * Karel Weis (1944) * Berta Bock (1945) * Gotthelf Pistor (1947) * Fanny Anitua (1968) * Stefan Wolpe (1972) * Eugene Zador (1977)

PIRMIZRĀDES Jean de Paris Adrien Boieldieu Zemire und Azor Louis Spohr Dinorah Giacomo Meyerbeer Coriolanus Ján Cikker Al gran sole carico d'amore Luigi Nono