Brahms - Handel Variations, Op. 24 (Murray Perahia) - YouTube
https://www.youtube.com/watch?v=c7oZFVs_Ixw

Richter plays Brahms Handel Variations opus 24 - YouTube
https://www.youtube.com/watch?v=m8uVBxy-c1M

Wilhelm Backhaus plays Brahms Variations on a Theme of Paganini Op.35 (1925) - YouTube
https://www.youtube.com/watch?v=t7eWKu1LQPU

Backhaus plays Brahms Variations on an Original Theme opus 21 (1936 rec.) - YouTube
https://www.youtube.com/watch?v=_V3yjBQfSpE