Key signature may consist of one or more sharps combined with one or more flats (such as a signature containing both F and B). Key signatures of this kind can be found in the music of Béla Bartók, for example. The effect of a key signature continues throughout a piece or movement, unless explicitly cancelled by another key signature. For example, if a five-sharp key signature is placed at the beginning of a piece, every A in the piece in any octave will be played as A sharp, unless preceded by an accidental (for instance, the A in scale 2 illustrated –
The Signature Series featured in the episode are mentioned. On SoundCloud, the pieces in each episode are timed such that when the piece changes, the pop-up comment identifies the piece being played, together with the composer who wrote the music. Each key has an image, with its name, its nickname, and a person (or animal, in the case of C minor) whose personality is representative of that key on it, except for C major, whose picture is that of the sky and the sea, with no people featured. Ben Didier of CBC music is the designer for the images. The Signature Series is