[nerdponx]

I really enjoyed these 3 together:

https://www.youtube.com/watch?v=lOSfM2V8EkI

https://www.youtube.com/watch?v=HB7NxVpskI0

https://www.youtube.com/watch?v=PmKWkiDAm5k

Great atmosphere. Makes me think of a good video game soundtrack. Interestingly they don't sound good if you only play 2 of them, you need all 3 to pull the harmony together.

[m348e912]

I'll save time for anyone who just wanted to play the videos mentioned above from the linked page.

A4, B2, C4

[W0lf]

Interesting, my first interpretation was letters for rows and numbers for columns, but apparently you noted it the other way around.

[romaintailhurat]

The Excel notation :)