Arvo Part's Fur Alina stills sounds like something new to me. Like I finally understood those friars and priest who lock themselves away for years to obsess over a few pages of holy texts. There's something very deep and mysterious about that piece, it leaves you feeling curious. It's also one of the most difficult piano pieces you can learn because of that. here's a good video of the score lined up with someone performing to that might explain what I mean.