When news spread last week that Apple Inc. (AAPL) was near an acquisition of Beats Electronics LLC for $3.2 billion, Beats co-founder Dr. Dre appeared in a video boasting of becoming the \”first billionaire in hip hop.\” Apple executives, by contrast, were characteristically silent. Beats executives are known to throw lavish parties and have musicians traipsing through at all hours, while Apple is an engineering haven for coders and designers.