Instrumentation
The work is scored for 3 flutes (all doubling on piccolo), 3 oboes (3rd doubles English horn), 3 clarinets in B-flat (1st and 2nd doubling E-flat clarinet), bass clarinet in B-flat, alto saxophone in E-flat, 3 bassoons (3rd doubling contrabassoon), 4 horns in F, 3 trumpets in C, 3 trombones, tuba, percussion (8 players), timpani, piano, harp and strings.
The onstage jazz band in I iii (which can be drawn from the pit players) consists of: 3 clarinets in Bb; bass clarinet in Bb; alto saxophone in Eb; tenor saxophone in Bb; contrabassoon; 2 "Jazz trumpets" in B; 2 Jazz trumpets in C; 2 Jazz trombones; Sousaphone; jazz drum set (3 players); banjo; piano; 3 violins with jazz horns; contrabass. In III i Cerha's edition uses a smaller onstage ensemble that includes piccolo; flute; 3 clarinets & bass clarinet; ...Contrabassoon...
It is the work that introduced into the orchestra of Western art music the vibraphone, an instrument that was previously solely associated with jazz.
Read more about this topic: Lulu (opera)