Page 108 - KEC Khaitan C8.1 Flipbook
P. 108
THE 12 SEMITONES OF PITCHED MUSIC
Between the seven musical alphabet notes, there are semitones (half steps). Western music
consists of 12 semitoneswithin an octave.
Notes on a Piano/Keyboard
On a piano keyboard:
White keys represent the natural notes (A, B, C, D, E, F, G).
Black keys represent sharp (#) and flat (♭) notes.
Moving one key to the right (black or white) is a semitone.
The 12 Notes in an Octave:
A, A#/B♭, B, C, C#/D♭, D, D#/E♭, E, F, F#/G♭, G, G#/A♭
Activity: Identify Notes on BandLab
Open BandLab and select the piano instrument.
Identify each note on the virtual keyboard.
Play a chromatic scale (all 12 semitones in sequence).
NOTE INTERVALS
An interval is the distance between two notes.
Whole step (tone) = Two semitones apart.
Half step (semitone) = One semitone apart.
Common Intervals:
Unison (same note)
Minor second (1 semitone)
Major second (2 semitones)
Minor third (3 semitones)
Major third (4 semitones)
Perfect fourth (5 semitones)
Perfect fifth (7 semitones)
Activity: Play Intervals on BandLab
Use BandLab’s keyboard to play intervals.
Compare the sound of major vs. minor thirds.
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