How to Find the Doh of Any Song

"What's the doh?" is one of the first questions in any rehearsal. Until you know where doh is, the solfa on the board is just letters. Once you know it, everyone can find their first note and the song comes together.

Doh is the key note of a song — its home. This guide gives you three reliable ways to find it: from the key signature on printed music, by ear from a recording, and by checking your answer against the tune. It also covers minor keys, songs that do not start on doh, and how to move doh when a song is too high or too low for your choir.

If you are new to solfa altogether, start with how to read Tonic Solfa and come back.

What "the doh" means

In movable-doh Tonic Solfa, doh is the first note of the major scale the song is built on. In the key of G, doh is G; in the key of Bb, doh is Bb. Every other syllable is measured from it, so the doh is the one fact you need to turn solfa into real pitches.

For songs in a minor key, most choirs in Nigeria and West Africa read la-based minor. The song keeps the doh of its relative major and treats lah as home. A song in A minor is written with doh on C, and it ends on l. This makes one thing much easier, as you will see next: the key signature alone tells you doh, whether the song is major or minor.

Method 1: read it from the key signature

If you have printed music on a staff, the key signature — the sharps or flats at the start of each line — tells you doh straight away:

• No sharps or flats: doh is C.
• Sharps: the last sharp (furthest to the right) is te. Doh is the next note up. One sharp (F♯) means doh is G.
• Flats: the last flat is fah. With two or more flats, the second-last flat is doh. One flat (B♭) means doh is F.

Here is the whole table:

Because la-based minor uses the relative major's doh, you do not need to decide whether the song is major or minor to find doh from the key signature. You only need that decision to know where the song's home note is: doh for major, lah for minor.

Method 2: find it by ear

Most of the time a choir is not working from printed music. Someone has a recording, or a song from church last Sunday, and you need the doh. Here is a method that works for most songs.

1. Listen to the very end. Play the last line of the song — or the end of a verse — and hum the final note. Hold it. In most songs this note feels finished, like the music has come home. That is your candidate.
2. Ask: does it feel bright or dark? If the ending feels settled and bright, the song is probably major and that note is doh. If it feels sad, serious or dark, the song is probably minor and that note is lah.
3. For a minor song, go up to doh. From lah, doh is three semitones higher — sing l, t, d upwards from your home note and the last one is doh.
4. Pin it to a pitch. Find the note on a keyboard or a tuner app on your phone, so you can write "Doh is …" at the top of the sheet.

Here is the last line of Amazing Grace. Look at where it ends:

Doh is G3/4

dblind,---mbutd_

mnow---rI-

dsee.-----

----

It ends on d. Play a recording of Amazing Grace, hum the last note of "now I see", and you are humming doh.

Be careful with songs that fade out, repeat the chorus endlessly, or end on a held chord in the band. In those, use the end of a verse instead, or the note the melody keeps coming back to.

Method 3: check it against the tune

Whatever method you used, check your answer before you teach the song. Sing d r m f s from your doh, then try the first phrase in solfa. If you have the right doh, the tune will fit the syllables naturally. If you keep needing notes that do not belong — a lot of sharpened or flattened syllables — your doh is probably wrong.

A common trap is assuming that the first note is doh. Very often it is not. Here is the opening of Silent Night:

Doh is Bb6/8

s,Si---l,lents,night,-

m,_-----

The doh is Bb, but the song starts on s, — the soh below doh. Amazing Grace does the same. Joyful, Joyful starts on m. So find doh first, then work out the starting note from it, and give your choir the doh and the first note before you begin.

Moving the doh for your choir

Sometimes you know the doh perfectly well, and the song is still uncomfortable: the sopranos strain at the top, or the basses disappear at the bottom. The answer is to move doh. Because solfa is movable, the syllables stay exactly the same — only the "Doh is" line changes.

Here is the opening of Amazing Grace in G:

Doh is G3/4

s,A--

dmaz----mingd_

mgrace!---rhow-

dsweet---l,the-

s,sound,---s,That-

And the same line with doh moved down to F:

Doh is F3/4

s,A--

dmaz----mingd_

mgrace!---rhow-

dsweet---l,the-

s,sound,---s,That-

Every syllable is identical. Your choir sings what they already know, just a tone lower. When you choose a new doh, think about the highest and lowest notes of each part, not just the melody: a key that suits the sopranos may push the tenors too high.

When the song changes key

Some songs move to a new key part of the way through — often a final chorus that lifts a step higher. In solfa, doh moves at that point. Hymn books mark the change with a new key at the place it happens, and some show the note that links the two keys with both of its names. When you hear a song lift, find the new home note the same way you found the first one, and mark the change clearly on your sheet so the choir knows where to reset.

Let NoteFusion find the doh for you

Finding doh by ear gets easier with practice, but it is still the step where mistakes creep in, especially with a recording in a key you rarely sing. NoteFusion does it for you: hum a tune, upload a recording or paste a song link and it writes the melody in Tonic Solfa with the doh at the top, spelled the way the key signature spells it. When a melody could reasonably sit in two keys, the app asks you "Which doh is it?" and shows both, so you choose.

And when you need to move the song for your choir, "Transpose for my choir" moves the doh, rewrites the staff, and shows whether each part sits comfortably in the new key.