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Hearing: ear training. Piano.

Musical ear - absolute pitch.

Train your sense of sound

Enjoy ear training!

Ear Training Master

Musical Ear Training Exercises

Vocal coach - Perfect Ear App

vocal training & perfect pitch

音壳-乐理和视唱练耳大师级app

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库和弦 - 和弦查询, 音乐编曲写歌作曲大师软件

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ChordX

Quick & Accurate Guitar Chords

Nail the Pitch - Vocal Monitor

See Every Note You Sing

Pitch Analyzer

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Numbered Musical Notation

Numbered Musical Notation app