I think its a good approach to discover and build upon what feels good. There are plenty of pianists that can play a catalogue of songs, or improvise "flawlessly", but rareness or uniqueness are great qualities for art to have.
I'm not sure how well the same applies to work, though, where fulfilling implicit or explicit standards plays more of a role. A developed "taste" plays a role in doing e.g. a good sysadmin job, but if you're creating something unique here, any successor is likely to have a bad time, no matter how beautiful this creation seemed at the time.
I do agree with the idea that passion can be a big driver in both worlds, it just seems to me that in work there's more to gain if it is harnessed to some degree.
Btw, you can get a lot further in your tests, if you move away from examples, and towards properties.