Learning Material about musical notations. • Shows various musical symbols. • Symbol names in Bilingual: Thai-English. • Describes each symbol. • Contains lines, spaces, scales, clefs, musical notes, rests, accidentals, and articulations. • Used to learn and understand music easier. • Enhances child's development. • Enhances EQ (Emotional Quotient). • Suitable for primary school students age 9-11 years old or people who are interested in music. • Can be used as learning material and decoration at the same time.