The Grand Staff. Treble Clef on upper staff ... Another example of 12th century notation. Note the variation of the letter F to the left of each read line. (image: The Schøyen Collection ...

Today, the treble clef appears printed on composers’ notepaper or preloaded on computers. It indicates notes’ pitch, because it’s placed on the second line of the musical staff, showing a G.

With five lines on the staff and three different types of clefs (see below), there are technically 15 possibilities of clef. Six of these are redundant, though, because they result in an identical ...