It means the note should be played as written disregarding the key sign. Also, by convention, sharps and flats are "sticky" within a measure; the natural sign resets those as well.
From sign del segno
A (apex)
The repeat sign looks something like this :ll .
Sharp (usually a half step above the natural note)
If you are refering to music, the sign for sharp is #
If you mean Royal Conservatory of Music exams, I believe they have a website that you can sign up on. I don't know the site address, but you could Google search, "Royal Conservatory of Music."
The purpose of the music natural sign in sheet music notation is to cancel out any previous sharps or flats on a note, returning it to its natural pitch.
The percent sign in music notation is used to indicate a repeat of a section of music. It tells the musician to go back to a specific point and play the music again.
Usher I think in less you mean the record company. The record company is "The Island Def Jam Music Group".
Cantus, meaning a song or music.
That is not a question we can answer for you.
you can get free music any type you want on imesh but you have to sign up but sign ups for free any way.