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Unit 2 · More leaps

Big and small threes

Hear a leap of three come big and bright or small and dark, half a step apart, choose which one you heard, then sing it from the guide's note. Free to try.

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More in More leaps

What it teaches

A leap of three comes big or small. The Saints' is big and bright; Greensleeves' is small and dark.

Big three. Do to mi: Oh when the saints

Small three. La below to do: Greensleeves

Half a step apart. That half step is the difference

What you sing

  1. Each clip starts with the key's chord. Big three or small three?
  2. Sing the named three from the guide's note.
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.
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