So much of social media is about recommendations and suggestions: You need to hear/read/see this. We eagerly offer and receive them. Yet in the cultural arena it’s seen as high-handed, even an act of snobbery, to say: You need to hear/read/see this. Why? Lingering resentment over the hurt caused by genuine cultural snobbery a half century ago? Reflexive resistance to any thing that smacks of cultural authority? Simply a matter of tone? Something I’m missing? It’s curious to me that all orchestra programs aren’t structured around a basic suggestion, the conductor and musicians saying: You must listen to this.