I am here to tell you about these web sites which are for Music Composing, Ear training and History of Music:
Musicstoryland.com is about music composing based on the sound effect, writing a story about what the music describes and drawing a picture. It has dynamics, and an option to choose an instrument. The main instrument is piano.
Perfectlistening.com is about Ear Training, listening to a intervals, chords, scales, modal scales, progressions. It is also about History of Music, listening and guessing to what is the composer of the piece, guessing what is the piece, guessing in which era is the piece, guessing in which year was the composer born.