The layout of a piano keyboard is perhaps the most recognisable pattern in music – a black and white staggered staircase that sits on the front of every piano, organ and synthesizer and – back ...

A typical piano has 88 keys spanning just over seven octaves. There are other, smaller keyboards or synthesizers that have fewer keys – most come in increments of 25, 32, 49, 61 or 72 keys.

For the second keyboard, head over to the edge of the map south of Lonely Lodge and north of the abandoned mansion. There the keyboard and sheet music are both longer. This time it's CCCFFFEFGAA#GA.

The LUMI Keys device feels well-made. It’s portable and rechargeable with a USB-C cord. The keys are about 7/8ths the width of regular piano keys, so adult hands can maneuver fairly easily.