Key signature key signatures showing sharps or flats on both octaves for notes which fall within the staff. An accidental is an exception to the key signature, applying only to the measure and octave in which it appears. Although a key signature may be written using any combination of sharp and flat symbols, the most common series of thirteen homogeneous key signatures—ranging from six flats to six sharps, with each successive flat or sharp placed on the note a perfect fifth below or above, respectively, the previous one—is assumed in much of this article. A piece scored using a single diatonic key
The Signature Series divided into 2 seasons: Season 1 and Season 2. In Season 1, when each episode was published online at CBC Music, the information about each key consisted of the notes in that key (the harmonic minor scale is always mentioned, not the natural minor), its relative major or minor, the number of sharps or flats in its key signature, the key's other nicknames, a list of fictional and real life characters representative of the key, and a couple of quotes about the key. In Season 2, the information about each key is replaced by the key's main traits, biggest strength,