Andrew Huang is an inventive musician. He’s especially fond of musical challenges, such as his 3 minute, 35 second song that exhibits 26 distinct musical genres.
For his latest challenge, Mr. Huang composed and performed an entire rap song that does not contain the letter E—the most common letter in the English language.
-via Daily of the Day
Perec is noted for his constrained writing: his 300-page novel La disparition (1969) is a lipogram, written without ever using the letter "e". It has been translated into English by Gilbert Adair under the title A Void (1994).
The literary lab Perec setup was called the OULIPO, and they experimented in all poetic and literary medias (drawing, writing, speaking).