Is music worthless?

No, It may be virtually free today but it still valued, could you imagine a world you couldn't  listen to music of your choosing. consumers listen a song because they value the way they make them feel, they value & agree with the message it put out or we associate them with a memory. An artist makes music that is worth something to them, its worth the time they spent making it & the cost of the equipment they brought to make it. 

Musics monetary value maybe next to nothing these days but if you look back to the days of vinyl, CD & cassette people weren't impressed by how much you'd spent on your music but more by what you had in your collection, they were always more interested in the music. 

Saying this if artists markets themselves in a way that makes people want to buy into their brand then they can bring the monetary value back and "monetise the connection"(2). This is why the late unsigned rapper Nispey Hustle was able to sell 1000 physical copies of his mixtape 'Crenshaw' for $100 dollars each as well as having it up for free download. 

To round it off music has worth and an integral part of many aspects in our lives, "whats a movie without a good score/soundtrack"(3), a good BBQ without summer bangers. 

http://phil-cooper.co.uk/priceless-or-worthless-the-value-of-music-is-in-the-ear-of-the-beholder/ (1)  

https://www.forbes.com/sites/natalierobehmed/2013/11/06/rapper-nipsey-hussle-and-the-100-mixtape/#7f6cb2d14bc0 (2)

https://www.youtube.com/watch?v=hqfpvQQDH7I (3)