The Nature and Design of Compelling Music

Building an imaginative bridge between the work of art of compelling music, and the work of art of teaching…

Teaching via repetition helps learners retain facts, lists, procedures, etc., in their long-term memory under the assumption that the more often information is retrieved and used, the more deeply it will be processed. 

A musical "hook" is embedded into the mind of a listener via repetition.  The more often an attention-grabbing, memorable melody, lyric, or rhythm, is incorporated into a song, the more deeply it will be processed and remembered.