"Surprise me" might be the best answer you can hear from your listener, your teacher, your pastor.
Yet it's not often they dare to say this. Often they want to hear the same master pieces, the same well-known hymns.
What if we reserved 30 minutes a day of pure groping in the dark? Not knowing where it is we end up?
Sure, we might get lost and frustrated, but it's part of the process, isn't it?
Having an open and curious mind is far more transformative than following some else's rules.
Remember that real chemistry kit when you were 12?