Choir and Orchestra Layout

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The Choir and Orchestra Layout for Quirino Grandstand follows:

Left Side:

Choir

• Senior's men's and women's combined choir from age 17 to 24 years old and junior's boys and girl's combined choir from age 6 to 17 years old from residents of 42,028 barangays throughout the Philippines

Right Side:

28-Piece Brass Band

• 1 Soprano cornet in E♭
• 8-10 Cornets in B♭ (in separate parts for 'Solo', 'Repiano', 2nd and 3rd cornets; there are 4/5 players on the 'Solo' part, one 'Repiano', two 2nd, and two 3rd)
• 1 Flugelhorn in B♭ (notated on the same part as the 'Repiano' in some older music)
• 3 Horns in E♭ (called Solo, 1st and 2nd)
• 2 Baritone horns in B♭ (Each with separate parts)
• 2 Tenor trombones (notated in B♭, playing separate parts)
• 1 Bass trombone (the only brass instrument in the band notated in Concert Pitch (C) on Bass Clef)
• 2 Euphoniums in B♭ (Usually playing the same part with divisi sections)
• 4 Tubas (2 in E♭ and 2 in B♭, both notated in Treble Clef; often called Basses)
• 2 or 3 percussion players (with 2 or more timpani, glockenspiel, snare drum, triangle, cymbals, a drum kit and more)

200-Piece Concert Band

• Piccolos 1 (, 2)[note 1]
• Flutes 1, 2 (, 3)
• (Alto flute)[note 2]
• Oboes 1 (, 2)
• (English horn)[note 3]
• Bassoons 1 (, 2)
• (Contrabassoon)[note 4]
• Clarinet in E-flat
• Clarinets in B-flat 1, 2, 3 (, 4)
• Alto clarinet
• Bass clarinet
• (Contra-alto clarinet/Contrabass clarinet)[note 5]
• (Soprano saxophone)
• Alto saxophones 1, 2[note 6]
• Tenor saxophones 1 (, 2)
• Baritone saxophone
• (Bass saxophone)
• Trumpets/Cornets in B-flat 1, 2, 3 (, 4, 5, 6)[note 7]
• (Flugelhorns in B-flat 1 (, 2))
• Horns in F 1, 2, 3, 4 (, 5, 6)
• Tenor trombones 1, 2 (, 3)[note 8]
• Bass trombone
• Baritone horn/Euphonium 1 (, 2)[note 9][note 10]
• Tubas

150-Piece Orchestra

• 2–4 Flutes (one doubling Piccolo)
• 2–4 Oboes (one doubling cor anglais or English horn)
• 2–4 Clarinets (one doubling Bass Clarinet)
• 2–4 Bassoons (one doubling Contrabassoon)
• (Saxophone)
• 4-8 French horns in F
• 3–6 Trumpets in B♭
• 3–6 Trombones (one or two being bass trombones)
• 1-2 Tubas
• (Baritone horn/Euphonium)
• Timpani
• Snare drum
• Tenor drum
• Bass drum
• Cymbals
• Tam-tam
• Triangle
• Wood block
• Tambourine
• Glockenspiel
• Xylophone
• Vibraphone
• Tubular bells
• Marimba
• 1-2 Harp
• 16 Violins 1
• 14 Violins 2
• 12 Violas
• 10 Cellos
• 8 Double basses
• Piano
• Celesta

Choir and Orchestra Layout

Brass Band, full-concert band and Orchestra Layout

Brass Band Layout

• 1 Soprano cornet in E♭
• 8-10 Cornets in B♭ (in separate parts for 'Solo', 'Repiano', 2nd and 3rd cornets; there are 4/5 players on the 'Solo' part, one 'Repiano', two 2nd, and two 3rd)
• 1 Flugelhorn in B♭ (notated on the same part as the 'Repiano' in some older music)
• 3 Horns in E♭ (called Solo, 1st and 2nd)
• 2 Baritone horns in B♭ (Each with separate parts)
• 2 Tenor trombones (notated in B♭, playing separate parts)
• 1 Bass trombone (the only brass instrument in the band notated in Concert Pitch (C) on Bass Clef)
• 2 Euphoniums in B♭ (Usually playing the same part with divisi sections)
• 4 Tubas (2 in E♭ and 2 in B♭, both notated in Treble Clef; often called Basses)
• 2 or 3 percussion players (with 2 or more timpani, glockenspiel, snare drum, triangle, cymbals, a drum kit and more)

http://www.grahamnasby.com/misc/concertband-instrumentation.shtml
full- concert band consists of

• 8-12 flute players
• first and a second oboe player
• english horn
• bassoon 
• Double-Bassoon
• one Eb clarinet
• 15 clarinetists
• alto clarinet
• bass clarinet

Quirino Grandstand Stage Area: Choir and Orchestra

Instrumentation for the wind band is standardized; composers will frequently add parts. Instruments and parts in parentheses are less common but still often used; due to the fact that some bands are missing these instruments, important lines for these instruments are often cued into other parts.

Piccolos 1 (, 2)[note 1]
Flutes 1, 2 (, 3)
(Alto flute)[note 2]
Oboes 1 (, 2)
(English horn)[note 3]
Bassoons 1 (, 2)
(Contrabassoon)[note 4]
E-flat clarinet
Clarinets in B-flat 1, 2, 3 (, 4)
Alto clarinet
Bass clarinet
(Contra-alto clarinet/Contrabass clarinet)[note 5]
(Soprano saxophone)
Alto saxophones 1, 2[note 6]
Tenor saxophones 1 (, 2)
Baritone saxophone
(Bass saxophone)
Trumpets/Cornets in B-flat 1, 2, 3 (, 4, 5, 6)[note 7]
(Flugelhorns in B-flat 1 (, 2))
Horns in F 1, 2, 3, 4 (, 5, 6)
Tenor trombones 1, 2 (, 3)[note 8]
Bass trombone
Baritone horn/Euphonium 1 (, 2)[note 9][note 10]
Tubas
Snare drum
Bass drum
Cymbals
Tam-tam
Triangle
Tambourine
Wood blocks/Temple blocks
Tom-toms
Bongos
Congas
Claves
Drum kit
Timpani
Glockenspiel
Xylophone
Marimba
Crotales
Vibraphone
Chimes