Apr 7 Otto Klauwell, German composer, born in Langensalza, Kingdom of Prussia (d. 1917) Apr 12 Emil Liebling, German-American composer, born in Pless, Silesia (d. 1914) Mar 1851 Birthdays in Music by Year May 1851 Famous Singers Country Singers Jazz Singers Opera Singers Pop Singers Rappers Rock Singers