He was a highly regarded interpreter of the vocal music of Wolfgang Amadeus Mozart and the lighter tenor roles composed by Richard Wagner.
Walther also created the role of Assad in the world premiere of Karl Goldmark's Die Königin von Saba and performed in some Italian and French operas.
After retiring from the stage in 1887, Walter toured Europe as a lauded recitalist of lieder, premiering numerous songs by Johannes Brahms and Antonín Dvořák.
[2] In 1855, in Brno, Walter made his operatic début as a lyric tenor in the role of Edgardo in Donizetti's Lucia di Lammermoor.
In 1875, he originated the role of Assad in the world premiere of Karl Goldmark's Die Königin von Saba opposite Amalie Materna as the Queen of Sheba.
Walter also embarked on a famous series of lieder recitals throughout Europe, notably premiering several songs by Johannes Brahms and Antonín Dvořák.
Although he stopped giving solo recitals in the late 1890s, he continued to perform with others well into the next century and the beauty of his voice remained with him into the latter years of his life.
[2] Music historians value these discs highly because in addition to their artistic merits, they preserve authentic 19th-century performance practices and singing styles.