“…Forsberg, Dieterich, and Zeleznik presented in 1998 a pen-based musical score editor, called the "Music Notepad"; a more recent version of this composition system is available on the internet (Forsberg, Holden, Miller, & Zeleznik, 2005); the gestures we explicit in this paragraph and in the third column of Table 1 corresponds to this last version. Once again, the authors exploit a new alphabet to write classical musical notations, which is in fact quite close to the one proposed by Anstice et al (1996) and Ng et al (1998). For instance, quarter-notes can be drawn almost the same way as on paper, but accidentals can not: a gesture starting on a note head and uprising on the right is interpreted as a sharp, descending on the right as a flat.…”