Best Products
Launches
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Forums
Forums
Ask questions, find support, and connect
Kitty Points Leaderboard
The highest scoring community members
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
Vlastimil Cerveny
Musician.
#9779611
0 followers
1 following
>10,000
All time
0 KP
Follow
About
Forums
Activity
Upvotes
1 Hunted
Collections
Stacks
Reviews
Badges
Tastemaker
Gone streaking
Maker History
Harmony Mapper
Click any chord to see where it can go! Explore harmony!
May 2026
🎉
Joined Product Hunt
May 8th, 2026
Forums
Vlastimil Cerveny
•
6d ago
Harmony Mapper - Click any chord to see where it can go! Explore harmony!
Pick a key and mode, click any chord to hear it, and see where it can lead. Stack lenses for secondary dominants, tritone subs, modal interchange, and chromatic mediants. Build progressions and export as MIDI.
1
0
View more
Report
Subscribe
Sign in
