The song 'You can let go now daddy,' was sung by the Canadian/Native-American country singer Crystal Shawanda.
She was born in 1983, and rose to fame after starring in the six part TV show, 'Crystal: Living the Dream,' in 2008.
'You can let go' was the first single that the singer released, back in January 2008. The song featured of her first album, Dawn of a New Day. The single climbed rapidly up the charts reaching the top 10 in only 5 weeks.
The song was written by written by Rory Lee Feek, Kent Blazy and Cory Batten. It was nominated for single of the year at the Canadian Country Music Awards in 2008.
Here's a video of the track which also includes the lyrics (in case you want to sing along)