Why we never tried to learn piano/bass/drums/guitar/trumpet/ukelele as an adult, and why we should try it now.

We don't want to be seen as incompetent or struggling with a task, because we are so competent in so many areas of our life. We do so many things well, so to start with something we don't do well is a real challenge.

--Never Too Late To Learn an Instrument via NPR

That's one of the great paradoxes of life. Fear of failure is often the thing that assures it.