Make is 'C' rank and I'll approve.
Just for general knowledge, the wind element controls wind right!? Well wind is changes in pressure that moves air bound molecules from place to place, what we feel as wind is infact those molecules in movement.
Sound is the vibrations that travel through substances in the form of simple waves. For example, youplay a key on a piano, the mallet strikes a cord that vibrates back and forth, moving the molecules back and forth. The vibrations slide through the air to the ear drum, which is sensitive to such vibrations.
Seeing as thought they both deal with the movement of molecules from one place to another, sound can created and manipulated via the principles of the wind element.