How single pitches line up into something you can hum.
Every single note, in order, with no gaps.
The distance between two notes.
The bright, do-re-mi ladder.
The part you'd sing back — notes one after another.
The darker, more serious ladder.
One musical sound with a pitch and a length.
The same note name, higher or lower.
A five-note scale where it's very hard to play a wrong note.
How high or low a sound is.
Which part of the high-to-low range a part is sitting in.
A chosen set of notes that sound good together, in order.
The smallest normal step in Western music.
Two semitones — skipping one key.