Sam Smith’s Stay With Me is a slow gospel-soul ballad people look up when they want the original key, the vocal range, and a plain answer to whether it is hard to sing. This page uses measurements taken from the sung melody: range E3–C5 (20 semitones), tessitura mostly C4–F4, phrasing tempo about 52 BPM, difficulty rated medium, longest measured note C4 held 3.5 seconds, about 0.5 notes per second, and a 173-second vocal line.
What makes it easy or hard to sing
The span from E3 to C5 is a 20-semitone window. That is not a two-octave showpiece, but it does ask the same singer to speak a low E3 and then reach C5. The line spends most of its time between C4 and F4, which is chest or mixed middle for many adults and is why the piece feels conversational until a phrase lifts. Difficulty is medium rather than easy because of that full span plus the need to keep pitch at a slow tempo, not because of dense runs. Note density is only 0.5 notes per second, so there is almost no syllable stacking. The longest hold is 3.5 seconds on C4, which is mid-staff and does not demand a stadium belt. Phrasing tempo around 52 BPM means each breath has to last. If you rush the pocket, the line sounds early against a ballad groove. If you drag, the pitch sags on the longer vowels. The 173-second duration is short enough to run several full passes in one session without fatigue from length alone.
Who it suits
E3 sits well for altos and for tenors and baritones who still have a usable low mix. Sopranos who rarely sing below A3 will feel the bottom as thin unless they drop into a speech-like chest. C5 is a mixed or head-tone top for most men and a comfortable upper-middle for many women. The tessitura C4–F4 favors singers who live in that belt-mix belt rather than pure head voice or a very low chest. If your comfortable speaking pitch is near C4, this melody will sit where you already phonate. If you are a high lyric soprano or a bass whose passaggio is far below C4, you will spend the song either too low or too high relative to your best register. The medium rating matches that profile: the notes are singable for a wide amateur range, but the low E3 and the C5 both have to be honest, and the slow 52 BPM phrasing exposes wobble.
How to practice it
Start by finding E3 on a piano or a tuner and speaking it on an easy vowel, then slide up a fifth to B3 without flipping. That low end is where many karaoke takes fail, not the chorus peak. Next, isolate C4–F4 and sing the contour on a hum at the measured 0.5 notes per second so you are not adding extra syllables. Keep the 3.5-second C4 hold steady: inhale low, start the tone without a push, and stop at 3.5 seconds rather than fading early. For C5, work mixed voice on a siren from F4 rather than slamming chest; the melody does not need a shouted top. Because phrasing tempo is about 52 BPM, practice with a slow click and hold each phrase to the click, then add the lyric rhythm without speeding. Mark breaths before long vowels so you are not stealing air from the 3.5-second hold. If E3 is unstable, take the song down a tone in practice only after you can sing the original span in short phrases. When the range E3–C5, the C4–F4 sit, and the slow pocket feel reliable, upload the song to PitchHighway and learn it phrase by phrase.