Now, and for a long time, classes of music have been divided into a myriad of sub-divisions.
A long time ago, there was classical, jazz, blues, rock, country and blue grass, not that way any more.
I have also never likedd the old time mode of music (including fifties rock & roll); I bought a Christmas album many years back recorded by what would be polka type band,(no tuba) and the , to me , horrid off key singing made me wonder how such music still survives.