The shifting of a melody, a harmonic progression or an entire musical piece to another key, while maintaining the same tone structure, i.e. the same succession of whole tones and semitones and remaining melodic intervals.

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22
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4answers
15k views

What are the practical reasons for still having transposing instruments?

I understand that historically there was a need for transposing instruments. e.g. Brass instruments would use lead pipes to change their key and players in brass bands would like to stick to the same ...
8
votes
1answer
7k views

What is a transposing instrument?

I've read this term many times. However, I'm not quite sure of what it exactly is. What is a transposing instrument? What would be an example of one?
18
votes
2answers
505 views

Could B♭ instruments be built in C? Why are they in B♭ in the first place?

Why did the clarinet and trumpet get made to 'be' in B♭? Could they have been made to produce concert pitch C? This would make a composer's life so much easier when physically writing scores. ...
3
votes
2answers
35k views

On a guitar, what keys correspond to different capo postions?

I've long had this question. I know some music theory, but I can only get a vague idea as to the progression of keys when moving the capo down a guitar's neck. I'm fairly certain that the guitar is in ...
9
votes
6answers
904 views

Algorithm for Transposing Chords Between Keys

I'm writing software that transposes sheet music between keys and I'm still new at music theory so I was hoping someone who knows more could let me know if my approach is correct. Here's my process ...
10
votes
6answers
6k views

Why is it common to write tuba sheet music in concert pitch?

I play E♭ tuba in a wind orchestra, and we always get the notes written in concert pitch, and we have to logically "transpose" to the instrument key on the fly. How common is this approach? Why is ...
7
votes
8answers
5k views

How much can transposing a song by a half step or a whole step help a vocalist?

It is not uncommon for a singer to ask for a piece to be transposed up or down a half step or a whole step. This minute change might be a big change for instrumentalist, like horn players, who have to ...
4
votes
5answers
1k views

Why transpose at the octave?

If an instrument has a range too high or too low for composers to easily write its music on bass or treble clef, the music may be written either an octave higher or an octave lower than it sounds, in ...
1
vote
6answers
334 views

Transposing on a guitar

I play flutes, whistles, and the alike in sessions and have recently got myself a decent guitar to start my journey. Whistles are transposing instruments so if I am playing a whistle in the key of D, ...