It’s not often that the members of Black Country Communion get together. But when they do, magic happens and the result is usually spectacular. The hard rock band, whose four members go their separate ways most of the time, is making another comeback. Seven years after their last studio album, singer and bassist Glenn Hughes, guitarist, singer and songwriter Joe Bonamassa, keyboardist Derek Sherinian and drummer Jason Bonham are releasing their fifth album. What got the ball rolling this time was a text message from Bonamassa to the other three members, the guitarist told radio and talk show h…