conducting pattern
The shape the conductor's right hand draws to show each beat in a bar.
preparatory beat
The beat the conductor gives just before the music starts, so everyone breathes and enters together.
cue
A gesture (often with the left hand or eyes) that tells a person or section when to come in.
cut-off
A gesture that tells everyone to stop together.
blend
Voices or instruments sounding like one group, with no single sound sticking out.
balance
The right loudness for each part, so the melody and harmony can both be heard.
intonation
How in tune a singer or player is.
harmony in thirds
A second part that moves along with the melody, usually three letter names below it.