Original: It was released in two different versions , both of which are still in print : the original version in 1977 and the revised U.S. version in 1979 ( with several post-1977 single sides added to the album ) .
Simplified: Both releases are still in print : the original version in 1977 and the changed U.S. version in 1979 ( with several post-1977 single sides added to the album ) .