Theory Resources

This page lists the common transposing instruments in the orchestra, and their transpositions.

Instrument name Image Key Register Transposition Written note Sounding note
INSTRUMENTS IN C            
Crotales C Super-high +2 8ves C4 C6
Glockenspiel C

Super-high

+2 8ves

C4

C6

Piccolo C High +8ve

C4

C5
Xylophone C High +8ve

C4

C5

Celeste C High +8ve

C4

C5

Bass flute C Low -8ve

C4

C3
Contrabassoon C Low

-8ve

C3

C3

Guitar C Low

-8ve

C4

C3

Double Bass C Low

-8ve

C3

C3

INSTRUMENTS IN B-flat            
Piccolo trumpet B-flat High +m7

C4

Bb4

Soprano saxophone B-flat Low -M2  

C4

 Bb3
Clarinet in B-flat

B-flat

Low

-M2

C4

 

Bb3

Trumpet in B-flat

B-flat

Low

-M2

C4

 

Bb3

Tenor saxophone

B-flat

Super-low -M9

C4

Bb2 
INSTRUMENTS IN E-flat            
Clarinet in E-flat

E-flat

High +m3  

C4

 Eb4
Alto saxophone

 

E-flat

 

Low -M6  

C4

 Eb3
Baritone saxophone E-flat Super-low

-M6+8ve

 

C4

Eb2 
INSTRUMENTS IN F            
Cor anglais  F Low -P5  

C4

 F3
Horn  F Low

-P5

 

C4

F3

 
INSTRUMENTS IN G            
Alto flute  G Low

-P4

 

C4

 G3

INSTRUMENTS IN A

           
Clarinet in A A Low

-m3

C4 A3