THE WHO Substitute (2016 Japanese limited edition SHM-CD [Super High Material CD - playable on all CD players] single also including Waltz For A Pig. This limited released comes within a replica of the legendary very rare Grammaphone 7 single sleeve. This example remains still in the unopened HMCD stickered resealable bag DS-1494) The SHM-CD [Super High Material CD] format features enhanced audio quality through the use of a special polycarbonate plastic. Using a process developed by JVC and Universal Music Japan discovered through the joint companies research into LCD display man