<Tr> <Td> Australian Singles Chart </Td> <Td> 13 </Td> </Tr> <Tr> <Td> Austrian Singles Chart </Td> <Td> 6 </Td> </Tr> <Tr> <Td> Canadian Singles Chart </Td> <Td> 81 </Td> </Tr> <Tr> <Td> Dutch Top 40 </Td> <Td> 13 </Td> </Tr>

What does black velvet mean in the song