Pianos tend to get better as they age, the more you play them. They grow into their sound.
For Music Monday, Saint-Saëns's Aquarium from The Carnival of the Animals performed by The Kanneh-Masons and the last movement of Mozart's Piano Sonata No. 11 performed by Glenn Gould.
A bit of The Carnival of the Animals trivia: The theme of the 1991 Disney film Beauty and the Beast prologue is based on the 'Aquarium' movement, composer Alan Menken said, as a means of promoting French music in a French original fairy tale.