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ChordU - get chords & notes
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コードai
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Chordbot Lite
Contrasonic AB
Chordify - どんな曲も
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MyChord - ミュージックコードを探す
yallafactory inc.
Chord Analyser (Chord Finder)
Pragmatic apps
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s.mart Music Lab
Ultimate Guitar: Chords & Tabs
Ultimate Guitar USA LLC
Chord Finder 2
Xerxz