Chords Guru Turbo 100a Deluxe

Web app for simple visualization, audio previewing and MIDI exportation of textual chord progressions.

Live demo: https://ki.gy/cv

Features:

• Visualize textual chords / chord progressions.
• Autocomplete from over 800 chords while typing.
• Full chord inversion cycling (of any chord).
• Full chord transposition cycling.
• Export chord progression as a MIDI file (drag-n-drop-ready for DAW).
• Click chord visualization to hear audio preview.
• Humanize the audio preview.
• Instrument selection for the audio preview.
• Octave shift for the audio preview.
• Auto-play/loop the entire progression according to BPM and number of repeats per chord.
• Automatically continue where you left off (per device).
• Save and load chord progressions (NOTE that sessions are stored in your browser's cookies, so don't expect them to be stored forever).
• Shortcut keys:
  • Space - toggle play
  • QWERTY etc... - play corresponding chord
  • . - reveal chords2midi command for whatever is on the screen. Not needed in online demo, where we have an [Export MIDI file] button.

Also:

• Add or replace instrument from any URL or directory path (e.g. copy-paste any of the *-mp3 directory URLs from here, here or here) to the instruments list in cv.js.

Demo instruments are from FatBoy (deprecated) via midi-js-soundfonts

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chords2midi.py is a bonus utility that can be used to save a chord progression from the web app as a MIDI file. It accepts all Chords Guru Turbo 100a Deluxe options as paremeters. Press . in the web app to reveal full command to save your current work as MIDI. Note that the online demo uses a REST API to run chords2midi.py, thus providing a direct MIDI download via [Export MIDI file] button.