[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kb-article-en-add-altered-notes":3,"i-fas:globe":239,"i-far:chevron-down":243,"i-far:bars":246,"i-far:magnifying-glass":248,"i-far:gear":250,"i-far:comment":252,"kb-categories-en":254,"kb-related-en-add-altered-notes":381,"i-far:chevron-right":406,"i-far:calendar":409,"i-far:clock":411,"i-far:circle-question":413},{"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":234},"add-altered-notes","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.","chord-builder",[7,9],"voicings",[11,12,13],"build-a-chord-with-buttons","add-7th-9th-11th-13th","add-or-omit-a-note",null,"2026-05-31","knowledgeBase.relativeTime.weeksAgo",7,false,1,"\u002Fchord-builder\u002Fadd-altered-notes","\u002Fknowledgebase\u002Fadd-altered-notes",{"type":23,"value":24,"toc":231},"minimark",[25,55,60,135,149,153,172,176,199,208,217,221],[26,27,28,29,33,34,37,38,37,41,37,44,37,47,50,51,54],"p",{},"Tap any button in the ",[30,31,32],"strong",{},"Alterations"," row - ",[30,35,36],{},"♭5",", ",[30,39,40],{},"♯5",[30,42,43],{},"♭9",[30,45,46],{},"♯9",[30,48,49],{},"♯11",", or ",[30,52,53],{},"♭13",". Fretscape either alters the matching chord tone or, for the upper alterations, adds the altered tone as its own colour note. The chord name picks up the alteration.",[56,57,59],"h2",{"id":58},"what-each-alteration-does","What each alteration does",[61,62,63,86,100,111,122,130],"ul",{},[64,65,66,68,69,73,74,77,78,81,82,85],"li",{},[30,67,36],{}," flattens the 5th. On ",[70,71,72],"code",{},"C7"," this gives ",[70,75,76],{},"C7♭5",", with notes ",[70,79,80],{},"C E G♭ B♭"," instead of ",[70,83,84],{},"C E G B♭",".",[64,87,88,90,91,73,94,77,97,85],{},[30,89,40],{}," sharpens the 5th. On ",[70,92,93],{},"Cm9",[70,95,96],{},"Cm9♯5",[70,98,99],{},"C E♭ G♯ B♭ D",[64,101,102,104,105,107,108,85],{},[30,103,43],{}," flattens the 9th - so on ",[70,106,72],{}," you get ",[70,109,110],{},"C7♭9",[64,112,113,115,116,118,119,85],{},[30,114,46],{}," sharpens the 9th. On a ",[70,117,72],{}," this gives the classic \"Hendrix chord\", ",[70,120,121],{},"C7♯9",[64,123,124,126,127,85],{},[30,125,49],{}," sharpens the 11th. Most commonly used on a major 7 chord to get ",[70,128,129],{},"Cmaj7♯11",[64,131,132,134],{},[30,133,53],{}," flattens the 13th - a dark, jazzy colour on a dominant 7.",[26,136,137,138,141,142,145,146,85],{},"Each alteration shows as an amber token in the ",[30,139,140],{},"Building"," row, and several can stack - ",[70,143,144],{},"C7♯5♯9"," is a real chord, and so is ",[70,147,148],{},"C7♭9♭13",[56,150,152],{"id":151},"a-note-about-extensions","A note about extensions",[26,154,155,37,157,37,159,161,162,164,165,167,168,171],{},[30,156,43],{},[30,158,46],{},[30,160,49],{},", and ",[30,163,53],{}," are upper-extension alterations. They're most commonly used on chords that already have a 7th - especially dominant 7 chords. Tap one on a plain triad and Fretscape adds it as a stacked tone (so ",[30,166,43],{}," on C gives ",[70,169,170],{},"Cadd♭9","); tap one on a chord that already includes the matching extension and it alters that extension instead.",[56,173,175],{"id":174},"forcing-the-add-form-for-b9-9-11-and-b13","Forcing the add form for b9, #9, #11, and b13",[26,177,178,179,182,183,185,186,189,190,193,194,81,197,85],{},"If the parent extension is already in your chord, a tap on the alteration normally alters that extension (",[70,180,181],{},"C9"," + ",[30,184,43],{}," → ",[70,187,188],{},"C9(♭9)","). If you specifically want the stacked-tone form even when the parent is present, long-press the alteration button (or right-click on a computer) to open an ",[30,191,192],{},"add"," option in the menu. That gives you, for example, ",[70,195,196],{},"C9(add♭9)",[70,198,188],{},[26,200,201,202,204,205,207],{},"The other two alterations - ",[30,203,36],{}," and ",[30,206,40],{}," - work as straight tone-replacements and don't have an add form.",[26,209,210,211,216],{},"See ",[212,213,215],"a",{"href":214},"\u002Fknowledgebase\u002Fadd-or-omit-a-note","How do I add or leave a note out of a chord?"," for the full set of add and omit options.",[56,218,220],{"id":219},"removing-an-alteration","Removing an alteration",[26,222,223,224,227,228,230],{},"Each alteration shows as its own amber token in the Building row with a small ",[30,225,226],{},"×"," for removal. 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time.",[260,261],"far","rocket",[263,264],"chord-search","settings",{"id":266,"slug":266,"name":267,"description":268,"icon":269,"count":271,"order":233,"related":272,"featured":18},"account-and-sign-in","Account & Sign In","Manage your profile, email, and authentication.",[260,270],"circle-user",11,[273,274],"pricing-and-billing","privacy-and-legal",{"id":273,"slug":273,"name":276,"description":277,"icon":278,"count":280,"order":281,"related":282,"featured":18},"Pricing & Billing","Subscriptions, upgrades, and payment methods.",[260,279],"wallet",18,3,[266,274],{"id":263,"slug":263,"name":284,"description":285,"icon":286,"count":288,"order":289,"related":290,"featured":18},"Chord Search","How to find specific chords and variations.",[260,287],"magnifying-glass",8,4,[7,291],"voicings-and-diagrams",{"id":7,"slug":7,"name":293,"description":294,"icon":295,"count":17,"order":297,"related":298,"featured":18},"Chord Builder","Constructing custom chords note by note.",[260,296],"wrench",5,[263,299],"progressions",{"id":291,"slug":291,"name":301,"description":302,"icon":303,"count":288,"order":305,"related":306,"featured":18},"Voicings & Diagrams","Reading chord charts and understanding inversions.",[260,304],"layer-group",6,[263,307],"tunings-and-capo",{"id":307,"slug":307,"name":309,"description":310,"icon":311,"count":305,"order":17,"related":313,"featured":18},"Tunings & Capo","Alternate tunings, capo positions, and custom string setups.",[260,312],"music",[291,263],{"id":315,"slug":315,"name":316,"description":317,"icon":318,"count":233,"order":288,"related":320,"featured":18},"playback-and-audio","Playback & Audio","Hearing your chords and progressions out loud.",[260,319],"circle-play",[299,264],{"id":322,"slug":322,"name":323,"description":324,"icon":325,"count":297,"order":327,"related":328,"featured":18},"favourites","Favourites","Saving voicings and progressions you want to come back to.",[260,326],"heart",9,[291,299],{"id":299,"slug":299,"name":330,"description":331,"icon":332,"count":240,"order":334,"related":335,"featured":18},"Progressions","Building, optimising, and sharing chord progressions.",[260,333],"diagram-project",10,[7,291],{"id":337,"slug":337,"name":338,"description":339,"icon":340,"count":240,"order":271,"related":342,"featured":18},"reverse-lookup","Reverse Lookup","Identifying a chord from the notes you're playing.",[260,341],"clock-rotate-left",[263,291],{"id":264,"slug":264,"name":344,"description":345,"icon":346,"count":240,"order":348,"related":349,"featured":18},"Settings","Customising Fretscape for your setup and preferences.",[260,347],"gear",12,[307,291],{"id":274,"slug":274,"name":351,"description":352,"icon":353,"count":17,"order":355,"related":356,"featured":18},"Privacy & Legal","How your data is handled and how to exercise your rights.",[260,354],"shield-check",13,[266,273],{"id":358,"slug":358,"name":359,"description":360,"icon":361,"count":240,"order":363,"related":364,"featured":18},"troubleshooting","Troubleshooting","Solutions when something isn't working as expected.",[260,362],"triangle-exclamation",14,[264,256],{"id":366,"slug":366,"name":367,"description":368,"icon":369,"count":305,"order":371,"related":372,"featured":18},"mobile-and-android","Mobile & Android","Using Fretscape on phones and tablets.",[260,370],"mobile-screen",15,[256,264],{"id":374,"slug":374,"name":375,"description":376,"icon":377,"count":240,"order":379,"related":380,"featured":18},"known-limitations","Known Limitations","Things Fretscape doesn't do yet - and what we're working on.",[260,378],"circle-info",16,[358,299],[382,392,399],{"id":11,"slug":11,"title":383,"description":384,"categoryId":7,"tags":385,"related":387,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":18,"readMinutes":19,"path":390,"href":391,"__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.",[7,263,386],"overview",[388,12,389],"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":393,"description":394,"categoryId":7,"tags":395,"related":396,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":18,"readMinutes":19,"path":397,"href":398,"__fallback":18},"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.",[7,9],[11,4,13],"\u002Fchord-builder\u002Fadd-7th-9th-11th-13th","\u002Fknowledgebase\u002Fadd-7th-9th-11th-13th",{"id":13,"slug":13,"title":215,"description":400,"categoryId":7,"tags":401,"related":402,"order":14,"lastUpdated":15,"lastUpdatedKey":16,"lastUpdatedValue":17,"featured":404,"readMinutes":19,"path":405,"href":214,"__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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