An idea for replacing a note with a bass drum to create a complex sounding pattern that pre empts the accented note.
Another idea for creating more complex single stroke seven fills by replacing the second note of the rudiment with a bass drum.
A complex sounding fill based on a seven stroke roll with two notes of the rudiment substitued with bass drums.
Building linear fills based on a single stroke seven.
Applying this level 2 fill construction idea to a single stroke seven based fill.