[zakk]

Reminds me of Mikutap: https://aidn.jp/mikutap/

[iKlsR]

For anyone who liked this, enjoy

https://www.incredibox.com/ and https://web.archive.org/web/20160430185156/http://www.madeon...

[modeless]

Also https://touchpianist.com/

Edit: Oh, and this one looks silly but generates surprisingly nice chord progressions that actually resolve sometimes: https://www.adultswim.com/etcetera/choir/

[pieq]

The choir is absolutely amazing! Thanks for sharing!

[moreira]

Oh my god this is the best thing ever. I want to save this as audio to listen to.

[cosmojg]

Patatap is probably my absolute favorite of all time when it comes to this kind of thing: https://patatap.com/

[screye]

This was incredibly fun. I just spent 10 minutes making what sounded pretty good to my ears.

[maddyboo]

That was awesome! I really want to make something like this now. I love how the samples are queued and played in time with the tempo.