I too listen to a lot of classical music, and recordings that feature/include the piano and/or harpsichord are at the forefront of my interest. I recommend you audition Verity speakers. In my experience, the only conventional multi driver speaker that I have heard that betters my Verity Amadis for piano is the considerably more expensive Vandersteen 7. Both of those speakers are excellent for all music genres.
Best Regards,
Steven
Best Regards,
Steven