Pedal points are usually on either the tonic or the dominant -LRB- fifth note of the scale -RRB- tones .

Pedal points are usually on either the tonic -LRB- main key note -RRB- -LRB- tonic pedal -RRB- or the dominant -LRB- 5th note of the scale -RRB- -LRB- dominant pedal -RRB- tones .
