<Tr> <Th_colspan="2"> Single by Metallica </Th> </Tr> <Tr> <Th_colspan="2"> from the album Metallica </Th> </Tr> <Tr> <Th> B - side </Th> <Td> "Harvester of Sorrow" (live) / "So What?" "Nothing Else Matters" (Elevator Version) / "Creeping Death" (live) / "Sad But True" (Demo) </Td> </Tr> <Tr> <Th> Released </Th> <Td> February 8, 1993 </Td> </Tr>

What is the meaning of sad but true metallica