(BBC) Tinnitus causes ringing, buzzing, roaring, hissing or whistling. After a year of listening to the modified music, individuals reported a drop in the loudness of their tinnitus.
Music Therapy May Soothe Tinnitus
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DECEMBER 30, 2009
BBC

Individually designed music therapy may help reduce the noise levels experienced by people who suffer from tinnitus, say German researchers.
They altered participants' favourite music to remove notes which matched the frequency of the ringing in their ears.
Read the story: news.bbc.co.uk/health/8429715