The versatility of the instrument makes it a favorite among many people, and especially in family settings. It's great because when a family owns a piano, everyone can enjoy listening to and playing piano music regardless of their skill level. Piano music is another one of those genres that will probably never die. Piano is a wonderful instrument, simply because it can be used in virtually any type of music. You hear pianos in classical music, country music, and it wouldn't be odd to hear a bit even in rap music. Many modern musicians (regardless of their genre) grew up playing piano, so a lot of them implement piano music in their music.
Piano music is generally not a standalone thing. Usually when you hear a piano, it is accompanied by an orchestra, a voice ensemble, or some other instrument. However, there is quite a bit of straight up piano music out there that doesn't have any other instruments or vocals. Many people prefer to here the piano in mixed music, but nobody can deny the awe they feel after listening to a piece by Bach, Beethoven, or Mozart. Even many of the modern piano players make amazing music with their piano alone.
Piano music is one of the only musical genres (if not the only one) that has yet to lose popularity. In fact, pianos are being used even more today in music than they were several years ago. Whether solo or in a group, the piano is an instrument we all love.