{"articles":[{"slug":"coltranes-tone-circle","title":"Coltrane's Tone Circle","subtitle":"Exploring the circle of fifths, its jazz applications, and Coltrane's geometric approach to harmony","summary":"A clear walkthrough of John Coltrane’s famous tone-circle sketch: the circle of fifths, geometric harmony, and how jazz musicians still use the diagram today.","content_type":"essay","language":"en","canonical_url":"https://jtomschroeder.com/blog/tone-circle/","author":{"name":"Tom Schroeder","url":"https://jtomschroeder.com/","person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"Tom Schroeder","url":"https://jtomschroeder.com/","listing_slug":null,"listing":null},"topics":[{"name":"Music","slug":"music","url":"https://listedarticles.com/topics/music"},{"name":"Education","slug":"education","url":"https://listedarticles.com/topics/education"},{"name":"History","slug":"history","url":"https://listedarticles.com/topics/history"},{"name":"Mathematics","slug":"mathematics","url":"https://listedarticles.com/topics/mathematics"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":2485,"reading_minutes":11,"published_at":"2026-09-29T12:00:00.000Z","added_at":"2026-10-01T12:11:05.956Z","updated_at":"2026-10-01T12:11:05.956Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/coltranes-tone-circle","markdown_url":"https://listedarticles.com/articles/coltranes-tone-circle.md","example":false,"citation":"Tom Schroeder, Tom Schroeder. \"Coltrane's Tone Circle.\" 29 Sept 2026. https://jtomschroeder.com/blog/tone-circle/ (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://jtomschroeder.com/blog/tone-circle/"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":"essay","topic":"music","publisher":null,"about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}