Viral beatboxer Tom Thum has an orchestra in his mouth, but how does he make all those sounds? Get an up-close-and-personal look as laryngeal surgeon Matthew Broadhurst sticks a camera down Thum's throat while he creates a mind-boggling array of noises. This hilarious, somewhat stomach-churning talk and performance is not for the squeamish! (Contains graphic medical imagery)

Singing in French and English, Mai Lan brings her cool charisma to the TED stage in a performance of her songs "Autopilote" and "Pumper."

Singing in French and English, Mai Lan brings her cool charisma to the TED stage in a performance of her songs "Autopilote" and "Pumper."

Singing in Spanish, Portuguese and English, LADAMA brings a vibrant, energizing and utterly danceable musical set to the TED stage. In between performances of their songs "Night Traveler" and "Porro Maracatu," they discuss how cross-cultural musical collaboration can empower communities.

Singing in Spanish, Portuguese and English, LADAMA brings a vibrant, energizing and utterly danceable musical set to the TED stage. In between performances of their songs "Night Traveler" and "Porro Maracatu," they discuss how cross-cultural musical collaboration can empower communities.

"Music is so much more than sound simply traveling through the ear," says sign language interpreter Amber Galloway-Gallego. In a spirited performance, musician and activist Madame Gandhi plays two songs -- "Top Knot Turn Up" and "Bad Habits" -- while Galloway-Gallego provides an animated sign language interpretation.

"Music is so much more than sound simply traveling through the ear," says sign language interpreter Amber Galloway-Gallego. In a spirited performance, musician and activist Madame Gandhi plays two songs -- "Top Knot Turn Up" and "Bad Habits" -- while Galloway-Gallego provides an animated sign language interpretation.

Multidisciplinary artist and TED Fellow Paul Rucker has developed his own style of cello; he puts chopsticks between his strings, uses the instrument as a drum and experiments with electronics like loop pedals. Moving between reflective storytelling and performance, Rucker shares his inspiration -- and definitely doesn't play the same old Bach.

A Tribe Called Red creates music that acts as a gateway into urban, contemporary indigenous culture, celebrating all of its layers and complexity. In a set that blends traditional powwow drums and vocals with hip-hop and electronic music, the DJ collective tells stories of the First Nations in beats and images -- expanding on the concept of the "Halluci Nation," inspired by the poet, musician and activist John Trudell.

Is outer space really the silent and lifeless place it's often depicted to be? Perhaps not. Astrophysicist and musician Matt Russo takes us on a journey through the cosmos, revealing the hidden rhythms and harmonies of planetary orbits. The universe is full of music, he says -- we just need to learn how to hear it.