Universal key fractions (e.g. an A natural in the scale above becomes ) or, more commonly in written text, by inserting an accidental before the number (e.g. the same note becomes 5 or 4). In music theory aimed towards jazz and popular music, all triads are represented by upper case numerals, followed by a symbol to indicate if it is not a major chord (e.g. "m" for minor or "ø" for half-diminished): When representing the triads rooted in a minor key, accidentals are used to indicate the chromatic alteration from the assumed major key roots indicated by numerals that don't have accidentals:
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