Basically, you're still sitting there using just the muscles of your hand, really. Of one hand, actually. It's another example of the transfer of literacy to making music because the assumption is that everything important is happening in your head; the muscles are there simply to serve the head. But that isn't how traditional players work at all; musicians know that their muscles have a lot of stuff going on as well. They're using their whole body to make music, in fact.
Brian EnoA studio is an absolute labyrinth of possibilities - this is why records take so long to make because there are millions of permutations of things you can do. The most useful thing you can do is to get rid of some of those options before you start
Brian EnoExcept in a few cases like Music for Airports, which was a very clear case of noticing a niche [and] saying, "Okay, there's this situation in which people always play music, and nobody has written music for that situation so I'm going to." So, that was a very clear example of spotting a niche and working for it. I have done that occasionally.
Brian Eno