> No one shuns…listening to music alone

This wasn't always the case (before the Sony Walkman introduction in 1979):

"The idea that a person could listen to music on his own was strange and novel. In Capturing Sound: How Technology Has Changed Music, Mark Katz mentions that in 1923, Orlo Williams compared someone listening to recorded music alone to “sniffing cocaine, emptying a bottle of whisky, or plaiting straws in his hair” (Katz, 20). This was an obvious exaggeration, but he emphasized the strangeness that society associated with solitary listening"

https://walkmanproject.wordpress.com/communal-vs-individual/