<Table> <Tr> <Th> C </Th> <Th> D ♭ </Th> <Th> C ♯ </Th> <Th> </Th> <Th> E ♭ </Th> <Th> D ♯ </Th> <Th> </Th> <Th> </Th> <Th> F ♯ </Th> <Th> G ♭ </Th> <Th> </Th> <Th> A ♭ </Th> <Th> G ♯ </Th> <Th> </Th> <Th> B ♭ </Th> <Th> A ♯ </Th> <Th> </Th> <Th> </Th> </Tr> <Tr> <Td> </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> C </Th> <Th> D ♭ </Th> <Th> C ♯ </Th> <Th> </Th> <Th> E ♭ </Th> <Th> D ♯ </Th> <Th> </Th> <Th> </Th> <Th> F ♯ </Th> <Th> G ♭ </Th> <Th> </Th> <Th> A ♭ </Th> <Th> G ♯ </Th> <Th> </Th> <Th> B ♭ </Th> <Th> A ♯ </Th> <Th> </Th> <Th> </Th> </Tr> <Tr> <Td> </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> ​ ⁄ </Td> <Td> </Td> </Tr> <P> These are 17 - EDO Pythagorean tuning approximations . </P>

Why are there 12 notes in a scale