These developmental music curricula for preschool children 18 months to 3 years old, 3-year-olds, 4-year-olds, and 5- to 6-year-olds are specifically designed to meet perceptual-motor, cognitive-linguistic, social-emotional, and music needs of children of different ages. Materials provided in this paper include: (1) a rationale for early music experiences; (2) brief discussions of the music babble stage and informal music instruction; (3) descriptions of developmental characteristics in the major areas of human development; (4) the five curricula, including instruction in song, coordination and movement, chant, tonal pattern, rhythm pattern, and listening; (5) short descriptions of teaching methods to use in the six instructional areas; and (6) a brief note on assessing children's development in music. Related materials including tone patterns and related chords, tunes, chants, and a checklist for assessing children's movement, are appended. (RH)