{"key":"F#","suffix":"13","position":0,"nextKey":"B","nextSuffix":"maj7","description":"A sophisticated, jazzy dominant 13th. Delivers lush, extended harmonic color, perfect for soulful R&B, funk, and modern jazz progressions. Creates a smooth, cool vibe.","progression":{"chords":[{"key":"F#","suffix":"13","display":"F#13","roman":"I"},{"key":"B","suffix":"13","display":"B13","roman":"IV"},{"key":"C#","suffix":"13","display":"C#13","roman":"V"}],"genre":"Blues"},"top_songs":[{"number":1,"title":"Chameleon","artist":"Herbie Hancock","description":"In this iconic jazz-funk anthem, the guitar contributes to the sophisticated groove with intricate voicings. While the main vamp is modal, F#13 can prominently appear in improvisational sections or complex turnarounds, providing a vibrant, extended dominant harmony that's crucial to the song's signature fusion sound and rhythmic drive.","amazonLink":"4swUAxd"},{"number":2,"title":"Deacon Blues","artist":"Steely Dan","description":"Steely Dan's complex harmonies are legendary, and \"Deacon Blues\" is a masterpiece of sophisticated jazz-rock. The guitar work, rich with extended chords, makes prominent use of 13th voicings like F#13. It contributes to intricate turnarounds and provides lush harmonic color, defining the song's cool, melancholic, and deeply musical atmosphere.","amazonLink":"3OS5mzC"},{"number":3,"title":"Brown Sugar","artist":"D'Angelo","description":"A cornerstone of neo-soul, \"Brown Sugar\" features a deeply groovy and harmonically rich guitar presence. F#13 finds prominence in the song's soulful guitar riffs, fills, and sophisticated turnarounds, providing that characteristic lush, extended dominant sound. It helps create the smooth, sensual, and intoxicating R\u0026B vibe central to the track.","amazonLink":"4riu3CQ"}],"positions":[{"frets":[2,2,1,3,0,0],"fingers":[2,3,1,4,0,0],"baseFret":1,"barres":[],"midi":[42,47,51,58,59,64]},{"frets":[2,2,2,3,4,4],"fingers":[1,1,1,2,3,4],"barres":[2],"capo":true,"baseFret":1,"midi":[42,47,52,58,63,68]},{"frets":[-1,3,2,2,1,0],"fingers":[0,4,2,3,1,0],"baseFret":7,"barres":[],"midi":[54,58,63,66,64]},{"frets":[1,1,1,1,3,3],"fingers":[1,1,1,1,3,4],"barres":[1],"capo":true,"baseFret":9,"midi":[49,54,59,64,70,75]}]}