Boléro
Biên chế nhạc cụ

Theo tổng phổ gốc (của Ravel) dàn nhạc cần 17 loại nhạc cụ, tóm tắt ở bảng sau (theo đoạn của nhạc phẩm):
| Đoạn | Nhạc cụ cần dùng> Tiết tấu trống lẫy | Nhạc cụ cần dùng> Giai điệu | Nhạc cụ cần dùng> Bộ dây |
| --- | --- | --- | --- |
| Intro | 1st snare drum (pp) | 1st flute (pp) | violas, cellos (both in pizz., pp) |
| 1st | 2nd flute (pp) | 1st clarinet (p) | violas, cellos |
| 2nd | 1st flute (p, also snare drum) | 1st bassoon (mp) | harp, violas, and cellos (all p) |
| 3rd | 2nd flute | E♭ clarinet (p) | harp, violas, and cellos |
| 4th | bassoons | oboe d'amore (mp) | 2nd violins (pizz.), violas, cellos, and double bass (pizz.) |
| 5th | 1st horn | 1st flute (pp), and 1st trumpet (mp, con sord.) | 1st violins (pizz.), violas, cellos, and double bass |
| 6th | 2nd trumpet (mp, con sord.) | tenor saxophone (mp, espressivo, vibrato) | flutes, 2nd violins, cellos, and double bass (all mp) |
| 6th | 2nd trumpet (mp, con sord.) | tenor saxophone (mp, espressivo, vibrato) | 1st clarinet (interchanged from 2nd flute, last four bars) |
| 7th | 1st trumpet | sopranino saxophone (original score) / soprano saxophone (either instrument, mp, espressivo, vibrato) | oboes, cor anglais, 1st violins, violas, cellos, and double bass |
| 7th | 1st trumpet | soprano saxophone (original score, interchanged from sopranino saxophone, mp, last four bars) | oboes, cor anglais, 1st violins, violas, cellos, and double bass |
| 8th | 1st flute (mp, same with snare drum), 2nd horn (mf) | 2 piccolos (pp), 1st horn (mf), and celesta (p) | bass clarinet, bassoons, harp, 2nd violins, violas, cellos, and double bass |
| 9th | 4th horn, 3rd trumpet (con sord.), 2nd violins, and violas (all mf) | 1st oboe, oboe d'amore, cor anglais, and clarinets (all mf) | bass clarinet, bassoons, 1st/2nd trumpets (con sord.), harp, 1st violins, cellos, and double bass |
| 10th | 1st flute, 2nd horn, and violas (arco) | 1st trombone (mf, sostenuto) | clarinets, bass clarinet, contrabassoon, harp, 2nd violins, cellos, and double bass |
| 11th | 4th horn, 1st trumpet (senza sord.), and 2nd violins (arco, all f, also snare drum) | piccolo, flutes, oboes, cor anglais, clarinets, and tenor saxophone (all f) | bass clarinet, bassoons, contrabassoon, harp, 1st violins, violas (pizz.), cello, double bass (all f) |
| 12th | 1st/2nd horns | flutes, piccolo, oboes, clarinets, and 1st violins (arco) | 1st oboe, clarinets (both at first two bars), and below |
| 12th | 1st/2nd horns | flutes, piccolo, oboes, clarinets, and 1st violins (arco) | bassoons, contrabassoon, 3rd/4th horns, timpani, 2nd violins (pizz.), violas, cellos, double bass |
| 13th | 3rd/4th horns | flutes, piccolo, oboes, cor anglais, clarinets, tenor saxophone, and 1st/2nd violins (2nd violins arco), | 1st oboe, clarinets (both at first two bars), and below |
| 13th | 3rd/4th horns | flutes, piccolo, oboes, cor anglais, clarinets, tenor saxophone, and 1st/2nd violins (2nd violins arco), | bass clarinet, bassoons, contrabassoon, 1st/2nd horns, sopranino saxophone, timpani, harp, violas, cellos, and double bass |
| 14th | 1st/2nd horns | flutes, oboes, cor anglais, 1st trumpet, and 1st/2nd violins | flutes, oboes (first two bars), and below |
| 14th | 1st/2nd horns | flutes, oboes, cor anglais, 1st trumpet, and 1st/2nd violins | clarinets, bassoons, contrabassoon, 3rd/4th horns, sopranino saxophone, tenor saxophone, 1st/2nd trombone, tuba, timpani, harp, viola, cello, double bass |
| 14th | 1st/2nd horns | bass clarinet, 4th horn (interchanged from 1st trumpet), and violas (arco, interchanged from 2nd violins, last four bars) | Above, and 2nd violins (pizz., interchanged from violas, last four bars) |
| 15th | 1st–4th horns | flutes, piccolo, oboes, cor anglais, clarinets, sopranino saxophone, 1st trombone (sostenuto), 1st/2nd violins, violas, and cellos (2nd violins, cellos in arco) | 2nd violins and cellos (both pizz., first two bars), and below |
| 15th | 1st–4th horns | flutes, piccolo, oboes, cor anglais, clarinets, sopranino saxophone, 1st trombone (sostenuto), 1st/2nd violins, violas, and cellos (2nd violins, cellos in arco) | bass clarinet, bassoons, contrabassoon, trumpets (2nd/3rd trumpets senza sord.), 2nd/3rd trombones, tuba, timpani, harp, and double bass (arco) |
| 15th | 1st–4th horns | bass clarinet, tenor saxophone (last four bars, tenor interchanged from sopranino) | bass clarinet, bassoons, contrabassoon, trumpets (2nd/3rd trumpets senza sord.), 2nd/3rd trombones, tuba, timpani, harp, and double bass (arco) |
| 16th | flutes, piccolo (first two bars), and below | flutes, piccolo, D piccolo trumpet, C trumpets, soprano saxophone, tenor saxophone, and 1st violins (all ff) | C trumpets (first two bars), and below (ff) |
| 16th | oboes, clarinets, horns, 2nd violins, violas, cellos (all strings in pizz.), and a second snare drum playing throughout (all ff) | flutes, piccolo, D piccolo trumpet, C trumpets, soprano saxophone, tenor saxophone, and 1st violins (all ff) | bass clarinet, bassoons, contrabassoon, trombones, tuba, timpani, harp, and double bass (all ff) |
| 17th | flutes, piccolo (first two bars), and below. | flutes, piccolo, D piccolo trumpet, C trumpets, 1st trombone (ff possibile), soprano saxophone, tenor saxophone, and 1st violins | C trumpets, 1st trombone (first two bars), and below |
| 17th | oboes, clarinets, horns, 2nd violins, violas, and cellos (all strings in arco) | flutes, piccolo, D piccolo trumpet, C trumpets, 1st trombone (ff possibile), soprano saxophone, tenor saxophone, and 1st violins | bass clarinet, bassoons, contrabassoon, 2nd/3rd trombones, tuba, timpani, harp, and double bass |
| Finale (last 5 bars) | flutes, piccolo, horns, D piccolo trumpet, C trumpets, 1st/2nd violins, violas, and cellos | Glissando: trombones, sopranino saxophone, and tenor saxophone (no glissando note on the saxophones) | oboes, cor anglais, clarinets, bass clarinet, bassoons, contrabassoon, tuba, timpani, harp, and double bass; together with the bass drum, cymbals and tam-tam |