Composer and soprano Maria Gastell Wilhelmj (27 July 185?
[4][3][5] She studied piano and music theory with Theodor Leschetitzky, and voice with Pauline Viardot.
Wilhelmj made her debut as a singer with the Berlin Philharmonic on 18 March 1889 and probably sang at the Louisiana Purchase Exposition (World's Fair) in St. Louis, Missouri, in 1904.
In addition to performing, she taught and composed.
[6] Her compositions were published by Heinrichshofen Verlag,[7] and include: