The company even went so far as to partner with music library services and production companies under a program called Perfect Fit Content, or PFC. This saw the creation of fake or "ghost" artists that flooded Spotify with songs that were specifically designed to be pleasant and ignorable. It's music as content, not art. [...] Artists, especially new ones trying to break through, actually started changing how they composed to play better in the algorithmically driven streaming era. Songs got shorter, albums got longer, and intros went away. The hook got pushed to the front of the song to try to grab listeners' attention immediately, and things like guitar solos all but disappeared from pop music. The palette of sounds artists pulled from got smaller, arrangements became more simplified, pop music flattened