HomeHacker News Show HN: Piano Trainer – Learn piano scales, chords and more using MIDI https://ift.tt/Pk06osJ byHat hair -July 09, 2022 0 Show HN: Piano Trainer – Learn piano scales, chords and more using MIDI https://ift.tt/L6NvawR July 8, 2022 at 12:57PM Tags: Hacker News Facebook Twitter