How To Use Key signature In A Sentence

Musical literacy requires knowledge of major and minor scales, key signatures, intervals and triad spelling.
Starting on C major, they ascend in pitch utilizing the key signatures that employ no more than four sharps or fiats.
Starting on C major, they ascend in pitch utilizing the key signatures that employ no more than four sharps or flats.
There are two sharps in the key signature of D major.
Purcell's first seven pieces introduce various fingering combinations, simple ornaments and key signatures.

Guidelines for clefs, key signatures, bar-lines, and notes are similarly drawn in.
You see a note on one of the five lines, forget the key signature at the beginning of the line, play it standard rather than as a sharp and end up with one of those horrible duff notes that means you have to stop playing and start from scratch.
Starting on C major, they ascend in pitch utilizing the key signatures that employ no more than four sharps or fiats.
While some tonalities require the use of black keys, no key signatures are employed.
There are two sharps in the key signature of D major.
This last may also be in a key signature to show changes in key.
Some basics of music theory also are explained including scales, key signatures, chords, intervals, transposition and the circle of fifths.
But of course the key signature has to be mentally re-adjusted too!
Even when the key signatures are not difficult, there are many accidentals due to chromatic movements and seventh chords.
There are two sharps in the key signature of D major.
Suddenly my whole musical existence moved into a new key signature.
Sharps and flats are introduced near the end of the book, but different key signatures are not discussed or used in Book 1.