My wife and I were having dinner when she decided to play her music system... "Alexa, play music by Edvard Grieg". So we listened to all the old war horses, including the SLOWEST piano concerto I've ever heard. Lacking all the sparkle and virtuosity the big boys like to show off. But there were charming moments. So I told her, let's go listen to another version.
Which led me to pull out something a bit more obscure: