[{"data":1,"prerenderedAt":189},["ShallowReactive",2],{"instrument-guitar":3,"chord-a-7b9-guitar":9,"chord-list-guitar":188},{"description":4,"createdAt":5,"name":6,"slug":7,"id":7,"chordCount":8},"","2025-06-19T05:00:00.113Z","Guitar","guitar",373,{"chord":10,"related":75},{"name":11,"tonic":12,"displayTonic":12,"tonicOrder":13,"quality":14,"intervals":17,"tuning":23,"instrument":32,"supportedNotations":33,"noteNameVariants":37,"aliases":38,"tags":41,"description":45,"sourceId":46,"voicings":47,"createdAt":73,"id":74,"instrumentId":7},"A7b9","A",9,{"id":15,"name":16},"dom7b9_quality_001","7b9",[18,19,20,21,22],"1","3","5","♭7","♭9",{"description":4,"id":24,"nStrings":25,"name":26,"openStrings":27},"guitar-standard",6,"Standard",[28,29,30,31,12,28],"E","B","G","D",{"description":4,"id":7,"name":6},[34,35,36],"sharps","flats","auto",{},[39,40],"Adom7b9","A7-9",[42,43,44],"altered","jazz","blues","A7b9 (1-3-5-b7-b9) is a tense, spicy altered dominant — the flattened 9th gives it a dark, dissonant bite that craves resolution. A go-to substitution for plain dominant chords in jazz and Latin turnarounds, especially resolving down a fifth or in minor-key ii-V-i cadences. Its symmetrical diminished-over-root shape makes it easy to slide chromatically. Also searched as Adom7b9, A7 flat 9, A7-9.","ai-curated-2026-07-02",[48,58,65],{"frets":49,"fingers":54,"label":57},[50,51,50,51,52,53],0,2,1,5,[50,51,50,55,52,56],3,4,"Near-open position",{"frets":59,"fingers":61,"baseFret":56,"label":62,"barres":63},[25,53,25,53,60,53],7,[51,52,55,52,56,52],"Mid-neck",[64],{"fret":53,"fromString":51,"toString":25,"finger":52},{"frets":66,"fingers":70,"baseFret":71,"label":72},[13,67,68,67,68,69],11,12,-1,[52,51,55,51,56,50],8,"Upper position","2026-07-02T00:00:00.000Z","a-7b9",{"sameTonic":76,"sameQuality":136},[77,82,87,92,96,101,106,111,116,121,126,131],{"id":78,"name":79,"displayTonic":12,"quality":80},"a-6","A6",{"name":81},"major6",{"id":83,"name":84,"displayTonic":12,"quality":85},"a-9","A9",{"name":86},"9",{"id":88,"name":89,"displayTonic":12,"quality":90},"a-add9","Aadd9",{"name":91},"add9",{"id":93,"name":12,"displayTonic":12,"quality":94},"a-maj-open",{"name":95},"major",{"id":97,"name":98,"displayTonic":12,"quality":99},"a-min-open","Am",{"name":100},"minor",{"id":102,"name":103,"displayTonic":12,"quality":104},"a-power5","A5",{"name":105},"power",{"id":107,"name":108,"displayTonic":12,"quality":109},"a-aug","Aaug",{"name":110},"augmented",{"id":112,"name":113,"displayTonic":12,"quality":114},"a-dim","Adim",{"name":115},"diminished",{"id":117,"name":118,"displayTonic":12,"quality":119},"a-maj-7-open","Amaj7",{"name":120},"major7",{"id":122,"name":123,"displayTonic":12,"quality":124},"a-sus2","Asus2",{"name":125},"sus2",{"id":127,"name":128,"displayTonic":12,"quality":129},"a-sus4","Asus4",{"name":130},"sus4",{"id":132,"name":133,"displayTonic":12,"quality":134},"a-sus4-open","A7sus4",{"name":135},"7sus4",[137,142,147,151,156,160,165,170,174,179,184],{"id":138,"name":139,"displayTonic":140,"quality":141},"c-7b9","C7b9","C",{"name":16},{"id":143,"name":144,"displayTonic":145,"quality":146},"c-sharp-7b9","C#7b9","C#",{"name":16},{"id":148,"name":149,"displayTonic":31,"quality":150},"d-7b9","D7b9",{"name":16},{"id":152,"name":153,"displayTonic":154,"quality":155},"d-sharp-7b9","D#7b9","D#",{"name":16},{"id":157,"name":158,"displayTonic":28,"quality":159},"e-7b9","E7b9",{"name":16},{"id":161,"name":162,"displayTonic":163,"quality":164},"f-7b9","F7b9","F",{"name":16},{"id":166,"name":167,"displayTonic":168,"quality":169},"f-sharp-7b9","F#7b9","F#",{"name":16},{"id":171,"name":172,"displayTonic":30,"quality":173},"g-7b9","G7b9",{"name":16},{"id":175,"name":176,"displayTonic":177,"quality":178},"g-sharp-7b9","G#7b9","G#",{"name":16},{"id":180,"name":181,"displayTonic":182,"quality":183},"a-sharp-7b9","A#7b9","A#",{"name":16},{"id":185,"name":186,"displayTonic":29,"quality":187},"b-7b9","B7b9",{"name":16},null,1786818336351]