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Card 390 of 9762026-09-14 issue

Observed arrival · 2026-09-14

Iowa Organ Studio's Harmony Toolbox

iowaharmonylab.com Observed source
Editorial interest 78/100 Selection signal · not a rating of the site

A University of Iowa collection of figured-bass trainers, organ-improvisation exercises, hymn randomizers, and practice tools.

Landing page captured for the 2026-09-14 issue.

Field notes

The studio groups several focused browser tools around organ harmony and improvisation rather than presenting a single general music course. Its exercises draw on C. P. E. Bach, J. S. Bach, and Jacques Boyvin; another tool generates random hymns after the player chooses keys, while a practice-time calculator references the “Kev Practice Method.” The observed domain redirects to the University of Iowa-hosted Iowa Organ Studio site, so the name and destination do not match exactly.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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iowaharmonylab.com

Landing page observed 2026-09-14. The live site may have changed.