Stackapella Open the app

Unit 4 · Note against note

Smooth and rubbing

Hear which intervals sound smooth and which rub, then sing thirds, fifths, sixths and octaves over a drone, and a rub that steps home. Free, in short steps.

Free in the app: sing one lesson of each course with no account; a free account opens the course unit by unit.

More in Note against note

What it teaches

Some notes sound smooth together, some rub. In this style unisons, thirds, fifths, sixths and octaves are smooth; seconds, fourths and sevenths rub, and a rub wants to move.

A third. Do to mi: skip one note

A fifth, a sixth, an octave. Do to so, to la, to do

A rub. Re over do, or fa: it leans, then steps home

What you sing

  1. Over the drone: smooth or rubbing?
  2. The notes over the low drone, at your own pace.
  3. Over a low do, sing a third, a fifth, a sixth and an octave; then re, rubbing, step home; then fa, rubbing, step to mi.
Try one round

Singing safely

Sing at an easy volume, in the middle of your range. Stop if anything tightens, scratches or hurts, and rest your voice.

Free tools by Stackapella

All of these are free, and so is every course.

Stackapella teaches you to sing harmony one part at a time, right in your browser.

Stackapella recording the alto part of Amazing Grace: each note is a bar with its name, and the one being sung says A little low, go up. Stackapella recording the alto part of Amazing Grace: each note is a bar with its name, and the one being sung says A little low, go up. Stackapella recording the alto part of Amazing Grace: each note is a bar with its name, and the one being sung says A little low, go up. Stackapella recording the alto part of Amazing Grace: each note is a bar with its name, and the one being sung says A little low, go up.
  • A guide sings your partHear your line over the others, slow it down, then take your turn.
  • Your notes light upEach note shows where you landed, and a hint when to go up or down.
  • Record every part yourselfStack your takes in time until you're the whole choir.

More free tools

No account, no ads. Each one keeps working offline once you've opened it.

See all 17 tools