First, foremost, and always..... emotionally moved. It's why I love live music, why I play music, and why I listen to music. The nuances are the music, and the emotion. That is why the equipment for replication of the original performance is often expensive.....but... if I found a piece of equipment that caused more emotional involvement for me, even a cheap piece of junk in someone elses opinion - that is what I would listen to. Music can make me sad, happy, reflective or joyous - that is why I listen. For an example - Tony Rice plays an old Martin guitar once owned by Clarence White. He struggles and fusses constantly during a performance to keep it in tune because it is so finicky. He plays it instead of unlimited choices in other guitars because the guitar is so expressive it is magical. He doesn't just have the option of striking a note, he has an infinite number of ways to sound the note. His choices are the life in music. That is also why Stradivarius instruments are so desired. I want to hear those choices.
Joel
That Martin is so valuable that Tony seldom takes it on tour. I'm lucky to live close enough to where he can drive and he sometimes brings it. I've sat less that 10 feet away and heard it. In a masters hands it is a moving experience.