The DOJ does not care about a single company creating a music store, internet or otherwise. Neither does Apple, as there has not been one, expect Amazon.com, that has keep Apple awake at nights. Yet, when you have a number of music companies thinking about starting the their own music store, the alarms go off at Pennsylvania Avenue. The Wall Street Journal reports “Universal and Sony BMG Music Entertainment, the No. 1 and No. 2 music companies in the world, by market share, have gotten letters of inquiry from the Justice Department.”