With three weeks to prepare, he gave up accounting and followed his dream to sing.

WSJ: Opera Singer Builds Up Stamina for 'Carmen'

The dream made me sing even louder.

FORBES: Living The Dream

"Eddie was absolutely amazing, so that was like a dream come true to have him come and sing 'Comfortably, ' that was magical, " Waters told CNN backstage following his performance.

CNN: STORY HIGHLIGHTS