Movable do vs fixed do
Three systems for naming notes, one long argument, and a clear answer for anyone whose goal is reading music with their voice.
The three systems
Movable do
Do is the tonic, wherever the tonic happens to be. In G major, G is do; in E flat major, E flat is do. The syllables name a note's function inside the key rather than its absolute pitch.
Fixed do
Do is always C. This is simply how note names work across France, Italy, Spain and much of Latin America — do re mi are their letter names. In G major, the tonic is called sol, because it is G.
Sargam
Sa Re Ga Ma Pa Dha Ni, the Indian system, and movable by nature. Sa is wherever the singer establishes it; the tanpura is tuned to it, and everything else is heard in relation. It is functionally movable do with a far longer pedigree and a much more developed vocabulary for the notes in between.
What each one teaches
| Movable do | Fixed do | Sargam | |
|---|---|---|---|
| Names | Function in the key | Absolute pitch | Function in the key |
| Tonal music | Excellent | Workable | Excellent |
| Atonal music | Breaks down | Excellent | Breaks down |
| Modulation | Needs a rethink mid-piece | Unaffected | Needs a rethink |
| Best for | Sight singing, choral work | Conservatoire ear training, contemporary music | Indian classical, and sight singing |
The honest answer
If your goal is sight singing, learn a movable system — movable do or sargam, whichever your ear already speaks.
The reason is simple. When you read a melody, what you are decoding is not a list of frequencies; it is a sequence of roles. The leading note pulls up. The fourth leans down. The third decides whether it is major or minor. A movable system puts a name on exactly that, so the syllable itself carries the sound. Fixed do names something real, but it names the wrong thing for this job: you end up learning that this dot is called fa without that telling you what fa should sound like here.
Fixed do earns its place when music stops having a tonic. In genuinely atonal repertoire, movable do has nothing to be movable relative to, and fixed do is plainly better. Most singers do not spend most of their time there.
If you grew up with Indian classical music
You already have the harder half. A sargam-trained ear is a movable-do ear: you are used to hearing every pitch in relation to Sa, and used to holding a tonal centre against a drone. That is precisely the ability Western sight-singing pedagogy spends years constructing.
What usually needs adding is notation — reading staff notation fluently, and the rhythmic vocabulary of Western metre. The ear is already there.
Prima Vista labels notes in either system — set Note names to solfège or sargam in the reading controls.