Importance of music and song in language learning. It seems that song preceded and aided the development of speech in homo sapiens. It is easier to put intonation when humming than to make the finer distinctions required by language. This also seems to be true in the case of the development of language in young children. Recent search indicates that the musical babbling produced by infants, and returned by parents, is extremely important in the development of language in young children. We must also remember that songs tend to stick in our heads. This proves that songs work on both our short and long term memory. Singing is also an example of what Piaget called egocentric language. This one consists in talking without concern for an addressee, but for oneself. Krashen has suggested that the involuntary repetition, both in children who are starting to develop language and in our pupils when humming a song, may be a manifestation of Chomsky´s language acquisition device. It seems that o