Black Sabbath frontman teams up with Guns N' Roses, Rage Against The Machine
Black Sabbath's Geezer Butler will also perform with the band at a New Orleans festival
The Louisville Leopard Percussionists covered his 1980 song in a viral video
The 'unspecified' medical treatment will require four weeks recovery time
The frog was named 'Dendropsophus ozzyi' for its unusual bat-like call
Frontman has already recorded three songs for next solo album
The multi-platform event will run for five nights in May 2015
Black Sabbath frontman begins the #askOzzy hashtag on the social networking site
This year's ceremony will take place at the SSE Hydro in Glasgow on November 9
Black Sabbath singer says: 'I never want to offend or hurt anyone'