Patent ID: 8158869
Filing Date: 2012-04-17
Classification: G09B,G10G

Abstract:
1. A tool for assisting in teaching music to a player of a steel drum comprising: a substantially circular base divided into twelve radial sectors, with a substantially central point to which the radial sectors converge, the base further divided into three concentric, radially spaced rings, the base thereby divided into 36 elements, each element bearing at least one note name indicium representative of a unitary, distinct note in a range of three consecutive octaves, each ring arranged so that an adjacent note name in a first radial direction is separated by an interval of a fifth and an adjacent note name in a second radial direction opposite the first radial direction is separated by an interval of a fourth; and a translucent mask rotatably affixed at a substantially central point to the base central point, the mask comprising: