r/musictheory is a subreddit with 710k members. The community frequently discusses looking for, music theory, chords, theory, and struggling, and they frequently recommend/review music theory book, notation software, and theory books, and the most common flair used is general question, notation question, discussion, songwriting question, and resource (provided).
/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.
Popular Topics in r/musictheory
#1
Looking For
43 posts
#2
Music Theory
35 posts
#3
Chords
31 posts
#4
Theory
31 posts
#5
Struggling
30 posts
#6
Notation
22 posts
#7
Harmony
14 posts
#8
Ear Training
12 posts
#9
Music
12 posts
#10
Rhythm
12 posts
Products Discussed in r/musictheory
Music Theory Book
136 reviews
#1
Tonal Harmony
4.5★ from 4 reviews
#2
Arnold Schoenberg
4.3★ from 4 reviews
#3
Vincent Persichetti
4.3★ from 3 reviews
Notation Software
48 reviews
#1
MuseScore
4.3★ from 11 reviews
#2
Finale
3.1★ from 7 reviews
#3
Sibelius
3.7★ from 7 reviews
Theory Books
46 reviews
#1
W.A. Mathieu
5.0★ from 2 reviews
#2
Mark Levine
5.0★ from 2 reviews
#3
Adler
5.0★ from 1 review
Flair Used in r/musictheory
#1
General Question
: "What was your most eye-opening realization about music and music theory?"
90 posts
#2
Notation Question
: "Interval help"
60 posts
#3
Discussion
: "Should we just outright ban “I built an App” posts?"
19 posts
#4
Songwriting Question
: "Music Theory Errors?"
11 posts
#5
Resource (Provided)
: "For anyone exploring music via code, Meantonal is now available in Python too :)"
6 posts
#6
Analysis (Provided)
: "Triplet within a triplet?"
6 posts
#7
Ear Training Question
: "Not perfect pitch nor relative pitch. What is it called?"
3 posts
#8
Solfège/Sight Singing Question
: "How do you determine the key of this melody?"
2 posts
#9
Announcement
: "New Policies on “I made an App/Diagram type Posts"
1 post
#10
Directed to FAQs/Search
: "Do drummers use modes for rudiments?"
1 post
Member Growth in r/musictheory
Yearly
+67k members(10.4%)
Similar Subreddits to r/musictheory
r/AskReddit
59.3M members
4.5% / yr
r/business
2.6M members
3.7% / yr
r/Christians
93k members
12.9% / yr
r/guitarlessons
470k members
17.5% / yr
r/learnart
1.7M members
0.7% / yr
r/LongDistance
2.5M members
1.4% / yr
r/Physics
3.2M members
2.3% / yr
r/PMDD
154k members
25.2% / yr
r/robotics
335k members
16.7% / yr
r/selfhosted
808k members
43.0% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/musictheory, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: July 23, 2026