Stage Door Records is heading back to the 1950s with a new CD presenting two U.K. musicals from the team of composer George Posford and librettist/lyricist Eric Maschwitz: Zip Goes a Million and Happy Holiday. It’s due from the label on June 26. 1951’s Zip Goes a Million was based on George Barr McCutcheon’s 1902 novel Brewster’s Millions about a young man left an inheritance by his grandfather with an unusual twist: he must spend the entirety of the inheritance within one year, resulting in no assets or property held from the…