- songs to sort by type and by date
Music genre - Wikipedia
Music can be divided into genres in varying ways, such as popular music and art music, or religious music and secular music. The artistic nature of music means that these classifications are often subjective and controversial, and some genres may overlap.
https://www.musicgenreslist.com/ list of music genres
https://www.music-map.com/ graph view of some music
https://musicmap.info/ - some music - visually mapped by genre and year (zoom in)
https://soundcloud.com/ - stream and listen to music online
https://www.last.fm/ - discover songs through categories