<Tr> <Th> D ♯ / E ♭ </Th> <Td> 38.89 </Td> <Td> 77.78 </Td> <Td> 155.56 </Td> <Td> 311.13 </Td> <Td> 622.25 </Td> <Td> 1244.51 </Td> <Td> 2489.02 </Td> </Tr> <Tr> <Th> E / F ♭ </Th> <Td> 41.20 </Td> <Td> 82.41 </Td> <Td> 164.81 </Td> <Td> 329.63 </Td> <Td> 659.26 </Td> <Td> 1318.51 </Td> <Td> 2637.02 </Td> </Tr> <Tr> <Th> E ♯ / F </Th> <Td> 43.65 </Td> <Td> 87.31 </Td> <Td> 174.61 </Td> <Td> 349.23 </Td> <Td> 698.46 </Td> <Td> 1396.91 </Td> <Td> 2793.83 </Td> </Tr> <Tr> <Th> F ♯ / G ♭ </Th> <Td> 46.25 </Td> <Td> 92.50 </Td> <Td> 185.00 </Td> <Td> 369.99 </Td> <Td> 739.99 </Td> <Td> 1479.98 </Td> <Td> 2959.96 </Td> </Tr>

Musicians need to be able to discern frequencies