peter and Mary sing the same note at different pitches peter singing low and Mary high peter and Mary are singing in A frequency, B harmony, C melody, D rhythm

Answer 1

Peter and Mary singing the same note at different pitches can be described as B harmony. Harmony involves the combination of different pitches to create chords or a supportive sound around a melody. In this case, Peter singing low and Mary singing high creates a harmonic relationship between their voices.