"Here you have a sonata that will be a hard nut to crack; pianists will grit their teeth from it for another 50 years". 200 years later, pianists still grit their teeth from Beethoven's Hammerklavier sonata, and it stays quite a hard nut to crack!
A few recordings to check out:
<a href='https://spoti.fi/3k5hUQy'>https://spoti.fi/3k5hUQy</a>
<a href='https://spoti.fi/2OLydX5'>https://spoti.fi/2OLydX5</a> (part 6)
<a href='https://spoti.fi/2NOlYsA'>https://spoti.fi/2NOlYsA</a>

Modest Mussorgsky's "Pictures at an exhibition" (pt. 1)

Have you ever heard yourself say something like “I really like classical music, but I don’t know where to start”? Leo Jivetsky, former Artistic Administrator of Moscows Bolshoi theatre and Program director of the Russian National Orchestra shares his insights on the music he is very passionate about.