Wilhelm Troszel was a Polish composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

 and opera

Opera

Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

tic bass

Bass (voice type)

A bass is a type of male singing voice and possesses the lowest vocal range of all voice types. According to The New Grove Dictionary of Opera, a bass is typically classified as having a range extending from around the second E below middle C to the E above middle C...

. Born in Varsavia, he was the son of composer and piano maker Wilhelm Troschel. He made his stage debut at the Teatr Wielki, Warsaw on 17 April 1843. At that theatre he notably created the role of Zbigniew in the world premiere of Stanisław Moniuszko

Stanisław Moniuszko

Stanisław Moniuszko was a Polish composer, conductor and teacher. His output includes many songs and operas, and his musical style is filled with patriotic folk themes of the peoples of the former Polish-Lithuanian Commonwealth...

's The Haunted Manor

The Haunted Manor

The Haunted Manor is an opera in four acts composed by Polish composer Stanisław Moniuszko in 1861–1864. The libretto was written by Jan Chęciński...

at the Great Theatre, Warsaw in 1865.