To All Latchkey Orphans, Adult ESL Students: Rap-Making, Auditory Mnemonic Device App:

http://www.adweek.com/socialtimes/autorap-app-converts-your-words-into-rap/176913

For memorization of complex diagrams in STEM (SCIENCE, TECHNOLOGY, ENGINEERING, MATHS) subjects, here's an auditory, mnemonic device app to turn your data into rap songs. I like the beat from Black Eyed Peas' "Boom Boom Pow" song, in case you can find the rhythm music sheets for it.