Krupa insisted that the first 20 pages of his method be practiced on a or a pillow. Do not touch your drum set until you have mastered the single-stroke roll and double-stroke roll at 120 BPM. The PDF will explicitly say this. Most modern drummers skip it. Do not.
To fully understand the Gene Krupa Drum Method , one must appreciate the man who created it. Gene Krupa (1909-1973) was not just a drummer; he was a phenomenon. He is widely regarded as one of the most influential drummers in the history of popular music. Modern Drummer magazine calls him "the founding father of modern drumset playing". Gene Krupa Drum Method Pdf