Not long ago, I went down to Tower Records to buy some music. On this particular occasion, I was checking out some classical music. A friend stopped me and said that a guy wanted to talk to me about jazz, more specifically, my brother Wynton’s music. What ensued, however, was an hour-long lecture about how hip-hop and rap is the new art of today and how jazz is too retrogressive. Although I wasn’t interested in any of this rabble-rousing, petty bullshit, I insisted that individuals who don’t ...