solfège
A system for singing musical notes by name.
Solfège is a system for teaching music where each note of the scale gets its own special syllable. If you've ever sung “Do-Re-Mi” from The Sound of Music, you were using solfège: do, re, mi, fa, sol, la, ti, do. These syllables help singers learn to hear and sing different pitches accurately.
Musicians use solfège as a training tool. Instead of reading “C, D, E, F” on sheet music, they might sing “do, re, mi, fa” to practice the melody. This helps develop what musicians call “ear training”: the ability to recognize musical intervals and patterns just by listening. A choir director might ask singers to solfège a difficult passage before adding the actual words, making it easier to learn the notes.
The system dates back to medieval Italy, where a monk named Guido d'Arezzo created it to help teach church music. He borrowed the syllables from a Latin hymn where each line started on a progressively higher note. Different countries use slightly different versions. In France, they say “ut” instead of “do.” In some systems, the syllables stay fixed to specific notes. In others, “do” shifts to match whatever key you're singing in.
Solfège gives you a common language for talking about musical notes that's easier to remember than letter names or technical terms.