The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
The Sevendust frontman talks about the group's songwriting process, and how trips to the Murder Bar helped forge their latest album.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.
Songs about drugs, revolution and greed that have been used in commercials for sneakers, jeans, fast food, cruises and cars.
Howard explains his positive songwriting method and how uplifting songs can carry a deeper message.