Drum Fills
These commands allow you to specify what types of drum fills will be composed for each measure. Drum fills marks are always right aligned. So, if you choose a half measure drum fill, the fill will be composed in the last half of the measure, not in the first half, for example:
Important: Adding a drum fill to a measure does not change the music whatsoever. It only instructs the composer to compose drum fills in the measures that you specify the next time you compose. You must compose before you will hear the new drum fills.