Dr. Robert Hjelmstad, NCTM is a pianist and educator based in Boulder, Colorado.
Apps for Students
Robert Hjelmstad has created a variety of tools to aid students with their skills outside the context of their weekly lessons.

A digital metronome that is 100% configurable. Works on your computer, phone, and tablet.
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Set beats per minute one beat at a time.
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Set bpm so slow that you can use the metronome as a bar counter (any integer >0).
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Set subdivision patterns of any ratio you choose, allowing you to program in surface rhythms,

Rhythm Tracker
https://rhythmtracker.vercel.app/

Keyboard Harmony Practice Lab
https://keyboard-harmony-studio-hwvr.vercel.app/
For young music students who struggle with visual tracking, here's an app that gamifies it! Master this skill for good, and watch your progress as you go from "follow," to "tap," and finally "play."
A web app designed to allow students to practice realizing, transposing, inverting, and elaborating on a variety of different musical structures including schemata, figured bass templates, chord progressions, formal units, etc..


