Some musicians opt for their music to be deeply referential–referential to things like books, movies, and, at times, music itself. We’re focusing on the latter list today. Check out four songs below ...

Eleven traditional Korean sijo poems are on their way to the moon, launched on Jan. 15 aboard a private U.S. lunar lander.

The Wolf Moon waxed full on Jan. 13. You may have seen it - the first full moon of the New Year - hanging low on the horizon these last several evenings, tinted orangish-yellow like a tropical fruit.