Horizontally it has 3 octaves below and 3 octaves above the one defined by the
tuning.
The tuning divides the octave into 12 tones with the names: c c# d d#
e f f# g g# a a# h
Vertically it has 6 bars. Each bar covers 1 second of the sound.
Each bar has 8 frames. So, consecutive frames are separated by 0.125
seconds.
The sound starts by 3 seconds of silence. Then the music begins.