Sikora’s Classical Records has been operating for 40 years, but it’s now succumbing to what co-owner Ed Savenye says are “‘the five dirty D’s’: digitization (downloading and streaming), downsizing (people no longer have room for record collections), distribution (getting access to imports is increasingly challenging), desertion (people leaving for Amazon and other online sellers), and the saddest, demise — that is, the deaths of classical music lovers who continued to buy CDs and LPs.”