Contents of the FORMAT.TXT file
The format of the information about a song is as follows:
A note is represented in each line starting with an integer representing
the level of the note. I used 128 Hz as the frequency for C at the level 1.
You may change this in the source program for different starting level.
After ONE blank, there should be a CAPITAL letter preceded by a "#", "b" or
nothing. Finally, a number representing the duration of the note should end
the line. There should be at least a blank between the note letter and the
duration number. Please refer to the file "pomashan.son" for a better