double-bass-drumming-training-manual

R&L Ch. 23—Double-Stroke Hands, Single-Stroke Feet

Skeleton sheet. This chapter has the metadata block and Core / Rotation / Reference tables but has not yet been rewritten to the shape of chapter-01.md and chapter-02.md—no first-session walkthrough, no worked advancement example, no per-exercise rationale. See chapter-template.md for the shape this sheet will take when filled, and DEVELOPMENT.md “Things to do later” for the outstanding propagation work.

• Stage: 6 (Rondinelli additions, final chapter)
• Book pages: R&L pp. 101–102
• Total exercises: 8, presented as a walkthrough rather than a numbered drill list
• Section labels present: none—the chapter is a single-concept study, in the same shape as Ch. 22

Session role: focus block.

Every session opens with warm-up on the current R&L Ch. 1 exercises before you work this chapter. Baseline 30-min session: ~7–8 min warm-up (Ch. 1) → ~15 min focus (this chapter) → ~5–6 min application → ~2 min cool-down. Full detail in approach.md §6.

How to use this sheet

Final chapter of Stage 6 (approach.md §5), and—like Ch. 22—a single-concept study rather than a drill library. R&L’s premise: doubles in the hands sit above singles in the feet. Most players roll doubles more evenly and for longer than singles, and the feet make good followers—once the hands lay down a stable rhythm the feet can trace it.

R&L walks the concept through eight examples on the page. In order:

• Ex. 23.1—the base setup: sustained double-stroke roll in the hands over sustained singles in the feet. Start with strong hand and strong foot together, then alternate stickings.
• Ex. 23.2—five-stroke roll in the hands with a five-stroke ruff in the feet. R&L calls out that this teaches leading with either foot; accuracy comes before speed here.
• Ex. 23.3—nine-stroke roll in the hands with a nine-stroke ruff in the feet. Increase speed only when it starts to lock in.
• Ex. 23.4—open roll in the hands with singles in the feet. R&L specifically asks you to try this and the other exercises at multiple tempos.
• Ex. 23.5–23.8—grooves that incorporate fives or nines in the feet, with double-stroke rolls on top. R&L’s point: doubles on top are a good way to even out odd-grouping foot patterns.

The bpm defaults come from the 16th-note beats row of approach.md §4 (start 50 bpm, target ~110 bpm). Because the hands are playing doubles at 16th-note rates over singles in the feet, real starting bpm will often be lower—drop until the doubles in the hands stay even.

Suggested per-exercise starting bpm

Ex.	Role	Start	Target
23.1	Sustained doubles hands / singles feet (base setup)	50 bpm	110 bpm
23.2	Five-stroke roll hands / five-stroke ruff feet	50 bpm	110 bpm
23.3	Nine-stroke roll hands / nine-stroke ruff feet	50 bpm	110 bpm
23.4	Open roll hands / singles feet	50 bpm	110 bpm
23.5	Doubles hands over five-note foot pattern	40 bpm	100 bpm
23.6	Doubles hands over longer five-note foot pattern	40 bpm	100 bpm
23.7	Doubles hands over nine-note foot pattern	40 bpm	100 bpm
23.8	Doubles hands over extended nine-note foot pattern	40 bpm	100 bpm

Practice notes

• Start with the strong hand and strong foot together in Ex. 23.1, then alternate—R&L is specific about this.
• Accuracy over speed. R&L makes this explicit for Ex. 23.2 and it applies across the chapter.
• Try each exercise at multiple tempos. R&L calls this out for Ex. 23.4 and asks you to apply it to the others.
• Mentally hear the rhythm before you play it. R&L closes the chapter with this—the feet follow the ear, and if the ear is not carrying the rhythm the feet will not either.
• The concept works with duple and triplet-based rolls. Once the printed examples are stable, transplant the idea onto rolls from other chapters—that is the point of the chapter.

Log line format

Log this chapter’s work with the exercise number prefixed by 23.—for example 23.2 60 bpm 15 min pass even-doubles. See approach.md §8.

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