Key signature A minor as each accidental may be notated explicitly as required, or the piece may be modal or atonal. An example is Bartók's Piano Sonata, which has no fixed key and is highly chromatic. If not bound by common practice conventions, microtones can also be notated in a key signature; which microtonal symbols are used depends on the system. The common practice period conventions are so firmly established that some musical notation programs have been unable to show nonstandard key signatures until recently. The use of a one-flat signature developed in the Medieval period, but signatures with more than one
The Signature Series The Signature Series The Signature Series by producer Paolo Pietropaolo (who is host of In Concert on CBC Radio 2) and co-producer Denise Ball is a music program that explores the personality behind the key signatures of music by personifying each of the 24 keys as a person. In 2013, Pietropaolo won the Prix Italia in the category of best work for music for the program. The Signature Series started when the first post on CBC Music was posted on 18 May 2012. It was a preview of what was coming up in the weeks ahead. The first episode, G