34-What is the proof that playing the tambourine (duf) is permissible?

What is the proof that playing the tambourine (duf) is permissible?

Abu Dawud related that, “A woman said to the Prophet, ‘I have made a vow to play the tambourine in your presence upon your safe return.’ He said, ‘If you have made a vow, then fulfill your vow.’”