吉他和弦(基本): GUITAR CHORD - 吉他和弦和
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Chord ai - learn any song
Chord ai
Ultimate Guitar: Chords & Tabs
Ultimate Guitar USA LLC
Chordify: Song Chords & Tuner
Chordify B.V.
Chord Tracker
Yamaha Corporation
smart Chords: 40 guitar tools…
s.mart Music Lab
GuitarTab - Tabs and chords
GT1 Apps
Guitar 3D - 基本吉他和弦
Polygonium Inc.
Fretonomy - 学习指板
Strong Apps LLC