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Show HN: I built a music theory course with games and spaced repetition

https://www.gitori.com/themes/music-theory?showTheoryTour=true
3•udit99•2h ago
I’ve spent a year building a theory learning path that starts from scratch and goes all the way up to topics like Secondary Dominants and Borrowed Chords. It uses a combination of games, interactive lessons and spaced repetition to help you understand and remember concepts. Not just learn something new and forget it in a few days.

I’m trying to figure out: 1. Is the progression logical? 2. What am I missing that you’d like to see in there? 3. Where does it get confusing and could use more clarification?

Comments

vunderba•1h ago
Nice job. Some Feedback:

The AI‑generated images for the Circle of Fifths don’t make a lot of sense - why are there blurry Japanese kana/kanji on them?

Clicking on the “Guitar” dropdown in the navbar doesn’t do anything. The dev console shows this error:

  TypeError: Cannot read properties of null ('email')
Personally, I'd recommend doing some more manual testing before deployment. Remember to test all the paths twice (logged in and logged out).
udit99•1h ago
Whoops! I’ll try and recreate the issue. Thanks for the tips.

Rationale for the design of the Ada programming language

https://dl.acm.org/doi/10.1145/956653.956654
1•fanf2•20s ago•0 comments

NIST Weighs in on the Mystery of the Gravitational Constant

https://www.nist.gov/news-events/news/2026/04/nist-weighs-mystery-gravitational-constant
1•01-_-•21s ago•0 comments

Learn How to Structure a Test

https://andros.dev/blog/d6eb1348/learn-how-to-structure-a-test/
1•ibobev•55s ago•0 comments

AI is an extinction-level event for your rules of thumb

https://shippingbytes.com/2026/04/15/ai-is-an-extinction-level-event-for-your-rules-of-thumb/
1•gianarb•59s ago•0 comments

More tools for testing SQL dialects

https://buttondown.com/jaffray/archive/more-tools-for-testing-sql-dialects/
1•ibobev•1m ago•0 comments

Syntonic Dentiforms Redux

https://aras-p.info/blog/2026/04/13/Syntonic-Dentiforms-redux/
1•ibobev•1m ago•0 comments

Anthropic rolls out Claude Opus 4.7, an AI model that is less risky than Mythos

https://www.cnbc.com/2026/04/16/anthropic-claude-opus-4-7-model-mythos.html
1•01-_-•3m ago•0 comments

Show HN: Modulo – A daily spatial reasoning puzzle

https://www.sansparsh.art/modulo
1•Sansparsh•4m ago•0 comments

Insurance carriers back away from covering AI outputs

https://www.csoonline.com/article/4159292/insurance-carriers-quietly-back-away-from-covering-ai-o...
2•WaitWaitWha•4m ago•0 comments

Qwen3.6-35B-A3B on my laptop drew me a better pelican than Claude Opus 4.7

https://simonwillison.net/2026/Apr/16/qwen-beats-opus/
1•simonw•5m ago•0 comments

Show HN: Chitragupta Kafka Identity and topic level cost attribution

https://github.com/waliaabhishek/chitragupta
1•Pancake9738•5m ago•0 comments

India's TCS to probe sexual assault, religious conversion in office

https://www.reuters.com/sustainability/indias-tcs-probe-sexual-assault-religious-conversion-alleg...
1•satyapr93•5m ago•0 comments

Show HN: Stage – Putting humans back in control of code review

https://stagereview.app/
2•charleslpan•5m ago•0 comments

Ask HN: Is Opus 4.7 obsessed with malware for anybody else?

1•abstrct•6m ago•0 comments

Meta Platforms, Broadcom Partners to Co-Develop Multi-Gen Silicon AI Chips

https://techgraph.co/ai/meta-platforms-broadcom-partners-to-co-develop-silicon-ai-chips/
1•visitednews•7m ago•0 comments

Bootstrapping AI Evals from Context (Why 'Just Asking Claude' Fails)

https://scorable.ai/post/bootstrapping-ai-evals-from-context
1•Arimbr•8m ago•0 comments

Shader Lab, like Photoshop but for shaders

https://eng.basement.studio/tools/shader-lab
1•ragojose•9m ago•0 comments

Linux in Postgres in Linux in Postgres in Linux in Postgres

https://github.com/pglinuxiguess/pglinux
1•chaps•11m ago•0 comments

Tape 05 – Boards of Canada [video]

https://www.youtube.com/watch?v=6bghDcbzfEU
2•boarsofcanada•11m ago•1 comments

Why Gen Zers are trashing smartphones: 'People are just sick of it'

https://nypost.com/2026/04/16/tech/gen-z-and-parents-are-hitting-rewind-on-tech-people-are-just-s...
1•1vuio0pswjnm7•13m ago•1 comments

ISMS CORE – Self-hosted ISO 27001 GRC platform (Docker Compose, 23 frameworks)

https://github.com/isms-core-project/isms-core-platform
1•isms-core-adm•14m ago•0 comments

Snap to Cut 16% of Workforce as It Seeks Profitability

https://www.wsj.com/business/snap-to-cut-16-of-workforce-as-it-seeks-profitability-4030b891
1•1vuio0pswjnm7•15m ago•0 comments

Posting on the Internet Frightens Me

https://adayinthelifeof.nl/2026/04/16/posting-on-the-internet.html
2•jaytaph•21m ago•2 comments

Dwarkesh Patel's Podcast with Nvidia CEO Jensen Huang

https://thezvi.substack.com/p/on-dwarkesh-patels-podcast-with-nvidia
2•7777777phil•21m ago•0 comments

Show HN: Xata, open-source Postgres platform with copy-on-write branches

https://github.com/xataio/xata
2•tudorg•22m ago•1 comments

Gemini can now create personalized AI images by digging around in Google Photos

https://arstechnica.com/ai/2026/04/gemini-can-now-create-personalized-ai-images-by-digging-around...
1•gpi•23m ago•0 comments

Claude Code injects hidden prompts into file reads to stop malware tweaks

https://twitter.com/adrian_cooney/status/2044827025379123597
3•adriancooney•24m ago•0 comments

Many-Step Sequences in Go

https://lesiw.dev/go/step/
1•zimpenfish•25m ago•0 comments

How to burn $30M on a JavaScript framework [video]

https://www.youtube.com/watch?v=ReAnFFqvCeA
1•PaulHoule•25m ago•0 comments

I Didn't Have the Markdown Editor I Wanted So I Vibecoded One in a Weekend

https://app.clarus.page/s/ead7fca03a9c40d2a4134cb8536f0332
4•jimjeffers•26m ago•1 comments