It was most commonly used in the 40's-50's when rock and roll became popular.
why jazz music called devils music
Its an opinion. In my opinion there is no "devils music"
No. That death metal stuff is! :P
Very
music, lyrics and sheet music
That's not a standard term in music.
It reders to a bar.
In a singing style
depends on where it is.... what is the context?
I know of no music term "gure." There is, however, the word leger, as in leger lines, the lines on music staff paper, for writing music.
Tasmanian devils are not "mean". This term is used to describe a human characteristic. Generally, Tasmanian devils are shy and reclusive, and they avoid confrontations. However, they can be aggressive when they sense a threat to their food supply. They can also be aggressive and vicious when engaged in territorial disputes. They are not "mean".
The type of music D devils is known for is hard edge punk rock music. They are similar to bands like Insane Clown Posse, The Sex Pistols and Marilyn Manson.