Simple example of using Audio and Timer devices.  Plays a series of beeps
whose pitches are based on a just intoned tuning system.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
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[generic]                  340     894  38.0% -lh5- 6e15 Aug 21  1989 JGoodies/JustBeeps.info
[generic]                   23      23 100.0% -lh0- 323d Aug 21  1989 JGoodies/JustBeeps/.info
[generic]                 4329   10116  42.8% -lh5- 8293 Aug 21  1989 JGoodies/JustBeeps/JustBeeps
[generic]                 3221    7822  41.2% -lh5- 0d64 Aug 21  1989 JGoodies/JustBeeps/JustBeeps.f
[generic]                 1340    2677  50.1% -lh5- 65c7 Aug 21  1989 JGoodies/JustBeeps/README
[generic]                  587    1299  45.2% -lh5- d76c Aug 21  1989 JGoodies/JustBeeps/README.info
[generic]                 1124    2572  43.7% -lh5- 73d8 Aug 21  1989 JGoodies/JustBeeps/SimpleTimer.f
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 Total         7 files   10964   25403  43.2%            Aug 21  1989