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A comment on Show HN: Note Kitchen – Learn piano chords and scales.

Re:Show HN: Note Kitchen – Learn piano chords and scales by meatbags on Friday March 02, 2018 @09:06PM (#16507423)
Neat! Would be cool if you could also reverse the input, generate the chords from selecting the keys. Also, it would be nice to hear the chord being played (a library like MIDI-js would suffice).
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Re:Show HN: Note Kitchen – Learn piano chords and scales by anamexis on Saturday March 03, 2018 @12:18AM (#16508033)
Note - I got bit by MIDIjs including Coinhive cryptocurrency mining scripts.

At the time (a few months ago), they had no mention of this on their website, so it took me quite by surprise. I see they have since added a disclaimer and are selling a "pro" version without this.

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