Press the piano keys to play. Press and hold to play a long note.
Thanks to @nakaken0629, whose very funny project かおピアノ inspired me to make this. Check it out: https://scratch.mit.edu/projects/519970734/ I generated the sound in the free sound editor Audacity. It is a 440 Hz tone. Read about it here: https://en.wikipedia.org/wiki/A440_(pitch_standard) Other related articles: https://en.wikipedia.org/wiki/Piano_key_frequencies https://en.wikipedia.org/wiki/Musical_note
