Antonín Dvořák's Requiem in B♭ minor, Op.
165, is a funeral Mass scored for soloists, choir and orchestra.
It was composed in 1890 and performed for the first time on 9 October 1891, in Birmingham, England, with the composer conducting.
[1] The approximate duration of the work is 95 minutes (1 hour and 35 minutes).
[2] The work is scored for:[2] Voices: Woodwinds: organ Brass: Percussion: Strings: