[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kb-article-en-add-7th-9th-11th-13th":3,"i-fas:globe":300,"i-far:chevron-down":304,"i-far:bars":307,"i-far:magnifying-glass":309,"i-far:gear":311,"i-far:comment":313,"kb-categories-en":315,"kb-related-en-add-7th-9th-11th-13th":442,"i-far:chevron-right":467,"i-far:calendar":470,"i-far:clock":472,"i-far:circle-question":474},{"id":4,"slug":4,"title":5,"description":6,"categoryId":7,"tags":8,"related":10,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":18,"readMinutes":19,"path":20,"href":21,"__fallback":18,"body":22,"tocLinks":294},"add-7th-9th-11th-13th","How do I add a 7th, 9th, 11th, or 13th?","Tap any button in the Extensions row. Higher extensions automatically include the lower ones, so adding a 9 also brings in the 7.","chord-builder",[7,9],"voicings",[11,12,13],"build-a-chord-with-buttons","add-altered-notes","add-or-omit-a-note",null,"2026-05-31","knowledgeBase.relativeTime.weeksAgo",7,false,1,"\u002Fchord-builder\u002Fadd-7th-9th-11th-13th","\u002Fknowledgebase\u002Fadd-7th-9th-11th-13th",{"type":23,"value":24,"toc":291},"minimark",[25,58,63,66,150,161,165,199,203,242,246,261,265,288],[26,27,28,29,33,34,37,38,37,41,37,44,37,47,50,51,54,55,57],"p",{},"Tap any button in the ",[30,31,32],"strong",{},"Extensions"," row - ",[30,35,36],{},"6",", ",[30,39,40],{},"7",[30,42,43],{},"maj7",[30,45,46],{},"9",[30,48,49],{},"11",", or ",[30,52,53],{},"13",". Higher extensions include the lower ones, so tapping ",[30,56,46],{}," on a minor triad gives you a minor 9th chord that already contains the 7.",[59,60,62],"h2",{"id":61},"how-extensions-stack","How extensions stack",[26,64,65],{},"Once you've picked a root and a quality, extensions sit on top of the chord:",[67,68,69,84,103,121,140,145],"ul",{},[70,71,72,74,75,79,80,83],"li",{},[30,73,36],{}," adds the major 6th - ",[76,77,78],"code",{},"A"," on ",[76,81,82],{},"C",". The 7th is not implied.",[70,85,86,88,89,79,92,94,95,98,99,102],{},[30,87,40],{}," adds the minor 7th - ",[76,90,91],{},"B♭",[76,93,82],{},". On a major triad this gives a dominant 7 like ",[76,96,97],{},"C7","; on a minor triad it gives a minor 7 like ",[76,100,101],{},"Cm7",".",[70,104,105,107,108,79,111,113,114,117,118,102],{},[30,106,43],{}," adds the major 7th - ",[76,109,110],{},"B",[76,112,82],{}," - for chords like ",[76,115,116],{},"Cmaj7"," or ",[76,119,120],{},"Cm(maj7)",[70,122,123,125,126,128,129,132,133,136,137,102],{},[30,124,46],{}," adds the 9th and includes the 7th. Tap ",[30,127,46],{}," on a Cm triad and you get ",[76,130,131],{},"Cm9",", with degrees ",[76,134,135],{},"1 ♭3 5 ♭7 9"," and notes ",[76,138,139],{},"C E♭ G B♭ D",[70,141,142,144],{},[30,143,49],{}," adds the 11th and includes the 9 and the 7.",[70,146,147,149],{},[30,148,53],{}," adds the 13th and includes the 9 and the 7. By default, Fretscape also stacks the 11, though real guitar voicings often leave the 11 out because it can clash with the 3rd - and a six-string can rarely fit every note anyway.",[26,151,152,153,156,157,160],{},"The chord name at the end of the ",[30,154,155],{},"Building"," row reads ",[76,158,159],{},"= Cm9",", and the chord card on the right spells out all five degrees - the implied 7th included.",[59,162,164],{"id":163},"adding-a-9-11-or-13-without-the-lower-notes","Adding a 9, 11, or 13 without the lower notes",[26,166,167,168,170,171,174,175,178,179,181,182,185,186,37,189,37,192,37,194,196,197,102],{},"A normal tap stacks - a ",[30,169,46],{}," brings the 7th with it. If you want just the triad plus the colour note, use the ",[30,172,173],{},"Add"," row instead, the one below ",[30,176,177],{},"Alterations",". Tap ",[30,180,46],{}," there and you get ",[76,183,184],{},"Cadd9"," - a C triad plus the 9, with no 7th. The Add row carries ",[30,187,188],{},"2",[30,190,191],{},"4",[30,193,46],{},[30,195,49],{},", and ",[30,198,53],{},[59,200,202],{"id":201},"leaving-an-implied-note-out","Leaving an implied note out",[26,204,205,206,209,210,213,214,217,218,221,222,37,224,50,226,228,229,231,232,235,236,241],{},"To drop one of the notes a bigger extension pulls in, use the ",[30,207,208],{},"Omit"," row. It always shows ",[30,211,212],{},"3"," and ",[30,215,216],{},"5",", and grows to include the upper notes your chord carries - build a ",[76,219,220],{},"C13"," and you can also leave out the ",[30,223,40],{},[30,225,46],{},[30,227,49],{},". The chord keeps its larger name (",[76,230,220],{},") but leaves that note out of the actual shapes, giving names like ",[76,233,234],{},"C13(omit11)",". See ",[237,238,240],"a",{"href":239},"\u002Fknowledgebase\u002Fadd-or-omit-a-note","How do I add or leave a note out of a chord?"," for the full walkthrough.",[59,243,245],{"id":244},"major-7-vs-dominant-7","Major 7 vs dominant 7",[26,247,248,249,251,252,254,255,257,258,260],{},"The plain ",[30,250,40],{}," button always gives you the minor 7th - the dominant sound on a major triad. To get the major 7th interval, tap ",[30,253,43],{}," instead. They're two different buttons because they're two different sounds: ",[76,256,97],{}," (with B♭) is bluesy and unresolved, ",[76,259,116],{}," (with B) is gentle and lit-up.",[59,262,264],{"id":263},"removing-or-swapping-an-extension","Removing or swapping an extension",[26,266,267,268,271,272,274,275,277,278,280,281,284,285,287],{},"Each extension you add shows as its own token in the Building row, with a small ",[30,269,270],{},"×"," for removal. To swap one for another - say, switching from ",[76,273,131],{}," to ",[76,276,101],{}," - tap the ",[30,279,270],{}," on the ",[76,282,283],{},"9 ×"," token, then tap ",[30,286,40],{}," to add it explicitly.",[26,289,290],{},"If you want to drop the chord further, remove the tokens one at a time. The chord name and voicings rebuild after each removal.",{"title":292,"searchDepth":293,"depth":293,"links":294},"",2,[295,296,297,298,299],{"id":61,"depth":293,"text":62},{"id":163,"depth":293,"text":164},{"id":201,"depth":293,"text":202},{"id":244,"depth":293,"text":245},{"id":263,"depth":293,"text":264},{"left":301,"top":301,"width":302,"height":302,"rotate":301,"vFlip":18,"hFlip":18,"body":303},0,512,"\u003Cpath fill=\"currentColor\" d=\"M351.9 280l-190.9 0c2.9 64.5 17.2 123.9 37.5 167.4 11.4 24.5 23.7 41.8 35.1 52.4 11.2 10.5 18.9 12.2 22.9 12.2s11.7-1.7 22.9-12.2c11.4-10.6 23.7-28 35.1-52.4 20.3-43.5 34.6-102.9 37.5-167.4zM160.9 232l190.9 0C349 167.5 334.7 108.1 314.4 64.6 303 40.2 290.7 22.8 279.3 12.2 268.1 1.7 260.4 0 256.4 0s-11.7 1.7-22.9 12.2c-11.4 10.6-23.7 28-35.1 52.4-20.3 43.5-34.6 102.9-37.5 167.4zm-48 0C116.4 146.4 138.5 66.9 170.8 14.7 78.7 47.3 10.9 131.2 1.5 232l111.4 0zM1.5 280c9.4 100.8 77.2 184.7 169.3 217.3-32.3-52.2-54.4-131.7-57.9-217.3L1.5 280zm398.4 0c-3.5 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0-192z\"\u002F>",{"left":301,"top":301,"width":302,"height":302,"rotate":301,"vFlip":18,"hFlip":18,"body":314},"\u003Cpath fill=\"currentColor\" d=\"M51.9 384.9C19.3 344.6 0 294.4 0 240 0 107.5 114.6 0 256 0S512 107.5 512 240 397.4 480 256 480c-36.5 0-71.2-7.2-102.6-20L37 509.9c-3.7 1.6-7.5 2.1-11.5 2.1-14.1 0-25.5-11.4-25.5-25.5 0-4.3 1.1-8.5 3.1-12.2l48.8-89.4zm37.3-30.2c12.2 15.1 14.1 36.1 4.8 53.2l-18 33.1 58.5-25.1c11.8-5.1 25.2-5.2 37.1-.3 25.7 10.5 54.2 16.4 84.3 16.4 117.8 0 208-88.8 208-192S373.8 48 256 48 48 136.8 48 240c0 42.8 15.1 82.4 41.2 114.7z\"\u002F>",[316,326,336,344,353,361,369,375,382,390,397,404,411,418,426,434],{"id":317,"slug":317,"name":318,"description":319,"icon":320,"count":17,"order":19,"related":323,"featured":18},"getting-started","Getting Started","The basics of using Fretscape for the first time.",[321,322],"far","rocket",[324,325],"chord-search","settings",{"id":327,"slug":327,"name":328,"description":329,"icon":330,"count":332,"order":293,"related":333,"featured":18},"account-and-sign-in","Account & Sign In","Manage your profile, email, and authentication.",[321,331],"circle-user",11,[334,335],"pricing-and-billing","privacy-and-legal",{"id":334,"slug":334,"name":337,"description":338,"icon":339,"count":341,"order":342,"related":343,"featured":18},"Pricing & Billing","Subscriptions, upgrades, and payment methods.",[321,340],"wallet",18,3,[327,335],{"id":324,"slug":324,"name":345,"description":346,"icon":347,"count":349,"order":350,"related":351,"featured":18},"Chord Search","How to find specific chords and variations.",[321,348],"magnifying-glass",8,4,[7,352],"voicings-and-diagrams",{"id":7,"slug":7,"name":354,"description":355,"icon":356,"count":17,"order":358,"related":359,"featured":18},"Chord Builder","Constructing custom chords note by note.",[321,357],"wrench",5,[324,360],"progressions",{"id":352,"slug":352,"name":362,"description":363,"icon":364,"count":349,"order":366,"related":367,"featured":18},"Voicings & Diagrams","Reading chord charts and understanding inversions.",[321,365],"layer-group",6,[324,368],"tunings-and-capo",{"id":368,"slug":368,"name":370,"description":371,"icon":372,"count":366,"order":17,"related":374,"featured":18},"Tunings & Capo","Alternate tunings, capo positions, and custom string setups.",[321,373],"music",[352,324],{"id":376,"slug":376,"name":377,"description":378,"icon":379,"count":293,"order":349,"related":381,"featured":18},"playback-and-audio","Playback & Audio","Hearing your chords and progressions out loud.",[321,380],"circle-play",[360,325],{"id":383,"slug":383,"name":384,"description":385,"icon":386,"count":358,"order":388,"related":389,"featured":18},"favourites","Favourites","Saving voicings and progressions you want to come back to.",[321,387],"heart",9,[352,360],{"id":360,"slug":360,"name":391,"description":392,"icon":393,"count":301,"order":395,"related":396,"featured":18},"Progressions","Building, optimising, and sharing chord progressions.",[321,394],"diagram-project",10,[7,352],{"id":398,"slug":398,"name":399,"description":400,"icon":401,"count":301,"order":332,"related":403,"featured":18},"reverse-lookup","Reverse Lookup","Identifying a chord from the notes you're playing.",[321,402],"clock-rotate-left",[324,352],{"id":325,"slug":325,"name":405,"description":406,"icon":407,"count":301,"order":409,"related":410,"featured":18},"Settings","Customising Fretscape for your setup and preferences.",[321,408],"gear",12,[368,352],{"id":335,"slug":335,"name":412,"description":413,"icon":414,"count":17,"order":416,"related":417,"featured":18},"Privacy & Legal","How your data is handled and how to exercise your rights.",[321,415],"shield-check",13,[327,334],{"id":419,"slug":419,"name":420,"description":421,"icon":422,"count":301,"order":424,"related":425,"featured":18},"troubleshooting","Troubleshooting","Solutions when something isn't working as expected.",[321,423],"triangle-exclamation",14,[325,317],{"id":427,"slug":427,"name":428,"description":429,"icon":430,"count":366,"order":432,"related":433,"featured":18},"mobile-and-android","Mobile & Android","Using Fretscape on phones and tablets.",[321,431],"mobile-screen",15,[317,325],{"id":435,"slug":435,"name":436,"description":437,"icon":438,"count":301,"order":440,"related":441,"featured":18},"known-limitations","Known Limitations","Things Fretscape doesn't do yet - and what we're working on.",[321,439],"circle-info",16,[419,360],[443,453,460],{"id":11,"slug":11,"title":444,"description":445,"categoryId":7,"tags":446,"related":448,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":18,"readMinutes":19,"path":451,"href":452,"__fallback":18},"How do I build a chord with the buttons?","Pick a root in the chord builder, then a quality, then any extensions or alterations you want. The chord name and the voicings underneath update as you go.",[7,324,447],"overview",[449,4,450],"type-a-chord-name","find-a-chord","\u002Fchord-builder\u002Fbuild-a-chord-with-buttons","\u002Fknowledgebase\u002Fbuild-a-chord-with-buttons",{"id":12,"slug":12,"title":454,"description":455,"categoryId":7,"tags":456,"related":457,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":18,"readMinutes":19,"path":458,"href":459,"__fallback":18},"How do I add altered notes like ♯5 or ♭9?","Tap any button in the Alterations row to alter a chord tone or add an altered upper colour note. The chord name updates to match.",[7,9],[11,4,13],"\u002Fchord-builder\u002Fadd-altered-notes","\u002Fknowledgebase\u002Fadd-altered-notes",{"id":13,"slug":13,"title":240,"description":461,"categoryId":7,"tags":462,"related":463,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":465,"readMinutes":19,"path":466,"href":239,"__fallback":18},"Use the Add row to bring in a colour tone like add9, and the Omit row to leave out the 3rd, 5th, or an upper note. 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