Sonido de la marcha imperial para Mikrotik / RouterBoard
:beep frequency=500 length=500ms;
:delay 500ms;
:beep frequency=500 length=500ms;
:delay 500ms;
:beep frequency=500 length=500ms;
:delay 500ms;
:beep frequency=400 length=500ms;
:delay 400ms;
:beep frequency=600 length=200ms;
:delay 100ms;
:beep frequency=500 length=500ms;
:delay 500ms;
:beep frequency=400 length=500ms;
:delay 400ms;
:beep frequency=600 length=200ms;
:delay 100ms;
:beep frequency=500 length=500ms;
:delay 1000ms;
:beep frequency=750 length=500ms;
:delay 500ms;
:beep frequency=750 length=500ms;
:delay 500ms;
:beep frequency=750 length=500ms;
:delay 500ms;
:beep frequency=810 length=500ms;
:delay 400ms;
:beep frequency=600 length=200ms;
:delay 100ms;
:beep frequency=470 length=500ms;
:delay 500ms;
:beep frequency=400 length=500ms;
:delay 400ms;
:beep frequency=600 length=200ms;
:delay 100ms;
:beep frequency=500 length=500ms;
:delay 1000ms;
Fuente: http://mikrotik-au.blogspot.com/2011/06/mikrotik-imperial-march-sound.html