r/musictheory↗
Music Theory
/r/musictheory is a community for the discussion of music theory and related topics. Since they are not well-covered in other subreddits, questions and discussions about Notation/Engraving are also welcome.
722k subscribers574 posts / mo in Sep 2026 (incl. <1% by known bots)501 authors / mosince 2009
r/musictheory has 722k members (+9.6% over the last 12 months). It gets about 574 posts a month from 501 people. Top topics: Chord Progressions & Guitar Techniques, ChordHelp and Music Theory Learning.
When to post on r/musictheory
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How r/musictheory has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/musictheory
Top topics
Share of the subreddit's posts
- Chord Progressions & Guitar Techniques2.3%
- ChordHelp2.0%
- Music Theory Learning1.3%
- Chord Theory & Practice1.3%
- Music Apps0.6%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Spotify
- PostImages
- Teoria
- imslp.org
- Apple
Everything else about r/musictheory
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research