The composers of the month for April are four composers born in the first half of the 19th century. We lack articles on the following:
- Friedrich von Flotow (1812–1883): Alessandro Stradella
- Edward Loder (1813–1865): Raymond and Agnes, The Wilis, or The Night Dancers
- Anton Rubinstein (1829–1894): Feramors, Die Maccabäer, The Merchant Kalashnikov, Néron, and Der Thurm zu Babel
- Léo Delibes (1836–1891): Jean de Nivelle