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Card 374 of 9842026-09-28 issue

Observed arrival · 2026-09-28

Keyfall turns chord loops into a home-note game

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Editorial interest 75/100 Selection signal · not a rating of the site

An interactive chord-progression tool that lets you change tempo, key, and note pattern while following a falling piano roll.

Landing page captured for the 2026-09-28 issue.
For
People learning or sketching chord progressions
Worth noticing
Its recipe list includes Sunny Walk, Night Lights, Candle Path, Storybook, and Camp Mix.

Field notes

The interface exposes controls for progression, tempo, key, playing pattern, and feel. Recipe names include Night Lights, Candle Path, and Camp Mix, while the pattern choices range from strumming to a fast “ribbon.” Three Pocket slots are labeled for saving loops; the extract does not confirm whether those saves persist.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
◎NicheUnusually specific use

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jaspergames.app

Landing page observed 2026-09-28. The live site may have changed.