Katherine Senger-Bettaque (2 Aug 1862 - ?): German soprano. Debut in Berlin (1879) in Rubinstein's Feramors. Sang mostly in Germany. Two seasons at the Metropolitan Opera. Sang Eva in the first Bayreuth Meistersinger (1888). Seen here as Isolde.German soprano Meta Seinemeyer (1895-1929) in the title role of Schöne Helena. Her very promising career was cut short by cancer at the age of thirty-four. Her voice was considered one of the finest of her time, having a smooth, expressive quality especially suited in the romantic repertoire. Vasili Semenovich Sharonov (1867-1929): Russian baritone. After studies in Italy, he joined the Mariinsky Theatre (1893) but as a member of the chorus. He was singing leading roles there within two years. He first appeared at the Paris Opéra in Boris Godunov (1908), and later returned there in 1914. He sang in the first performance of Stravinsky's The Nightingale.
Leo Slezak (1873 - 1946): Moravian tenor. Debut (1896) in Brno as Lohengrin. His earliest performances were relatively unsuccessful. After a period of study with Jean de Reszke his career took off. His vocal improvement was noted in a 1909 performance of Otello at Covent Garden, where he sang with power and beauty. He made his first Metropolitan Opera appearance that same year as Otello.Tenor Dimitri Smirnov (1881-1944). He began his operatic career in the choir of Mamontov's private opera company. His official debut (3 Feb 1903) was as Gigi in Esposito's Camorra at Moscow's Hermitage Theatre. He had an extensive career outside of Russia. His debut at the Paris Opéra (19 May 1908) in a performance of Boris Godunov was said to have been sensational. As a result of that performance he was invited to the Metropolitan Opera. He appeared there for two seasons (1910-12) as Rodolfo (Bohème), Roméo, Alfredo (Traviata), and the Duke (Rigoletto), but had to compete, without success, against Caruso and John McCormack for the audience's approval.German bass-baritone Walter Soomer (1878-1935). He made his debut (1902) in Colmar. He spent the majority of his career at the Leipzig Opera.Fritz Soot (1878-1965). Soot, who made his debut (1908) with the Dresden Court Opera as Tonio in La Fille du Régiment, studied voice with Scheidemantel.