From LivingPianos.

Vintage vs New Concert Grand Steinway – The Real Difference:https://youtu.be/kRvlDS9awZk

Here’s where most people get burned. Pianos are not violins. Violins get better with age. Pianos are machines that wear out. So, 90-year-old strings, cracked soundboards, it’s just furniture. You must prioritize proper "piano care" and consider "piano repair" to ensure longevity.

Restoring a piano is vital; otherwise, older instruments with worn parts are essentially just furniture. This video explains "how to restore a piano" and the importance of professional "piano restoration" to maintain its value and sound. The "piano action" is a critical component that often requires attention.