一首來自外太空的歌曲《太空奇遇 》

Alt-rock icon Amanda Fucking Palmer believes we shouldn't fight the fact that digital content is freely shareable -- and suggests that artists can and should be directly supported by fans.

Jherek Bischoff is a Los Angeles-based composer, arranger, producer and multi-instrumental performer.

TED Senior Fellow Usman Riaz is an artist and composer.