Not talking about pianos at all, but if you're interested in a solid laptop sound system, my dell XPS 15 has ridiculously good sound. It's not as good as my DAC

Not talking about pianos at all, but if you're interested in a solid laptop sound system, my dell XPS 15 has ridiculously good sound. It's not as good as my DAC + Sennheiser headphone set up, but it is randomly great. It's not overly bassy or tinny. It just has a depth to it I haven't heard on laptop speakers before. Highly recommended.