Let me explain to you what I mean by this. If I bought a bass or guitar or whatever today, and lets just say 50 years later played the same bass or guitar or whatever through the same amp I normally played it in, would the bass sound the same? Let me explain more with another analogy. If I bought a P-bass from the 60's, would it sound the same as it did back then if i plugged it in through all the same stuff, or does time affect tone and other stuff and makes it sound different. This might be a stupid question. I don't know. I'm just curious.