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So far this week, we have had exercises for snare drum and keyboard percussion. They have all been variations on the “Shifting (P.I.M.A.) Paradiddles” exercise. Today we come to the bass drum variation. (It can be played by as few as two people or expanded to work for any size line.) The acronym in the title—P.I.M.A.—stands for:
Paradiddle — Inverted paradiddle — Mill — Alternating quad
Of course, a standard paradiddle has the sticking RLRR LRLL. An inverted paradiddle is like starting on the second note of a paradiddle: LRRL RLLR. A mill (think “single flammed mill” without the flams) is like starting on the third note: RRLR LLRL. Finally, an alternating quad is like starting on the fourth note: RLRL LRLR. (Of course, this final set is like a quadruple grouping of singles, simply alternating the starting note. Hence its name.)
In this variation, two players go back and forth between a basic 16th note check pattern and then split these different P.I.M.A. patterns. The first time through is all on the right hand. On the repeat, it should be played off the left hand. The best way to practice is with a metronome. Take it slowly, carefully subdivide the 16th notes, and focus on playing the rhythms smoothly with an absolutely steady pulse.
Tomorrow we will feature a variation on this exercise for timpani!