The song, released on December 10, is the first single off her debut album, Louder.
It certainly helps me with my loss that I'm dealing with. And whatever [listeners] need it for, I hope it gives them the strength that it's given me.
The song was written by Sia, who after a conversation with Michele, offered it up to her.
During a brainstorming session, Sia asked Michele how she was feeling, and she responded:
Grief is the hardest thing in the whole world. You have the opportunity at a certain point to either let it take you down or to try your best to rise. I need to get out and move forward in his memory.
After hearing these moving words, Sia said, "You just said some of the lyrics just now," referring to "Cannonball." The prolific songwriter then asked Michele to listen and see if she wanted to include it on her album.
"The minute I heard the song, I had a physical reaction to it," Michele gushed.
"Battlefield,", the second single off the album, came out on December 29.
The record, set to be released on March 4, contains 11 tracks, with contributions from Christina Perri, Colin Munroe and Stargate.