Kesha Lends the Hook to Macklemore's Reflective New Song, 'Good Old Days' -- Listen!

Macklemore Kesha Good Old Days

Kesha and Macklemore are reminiscing about the "Good Old Days."

The Rainbow singer delivers the hook on the newest song from the Gemini rapper's upcoming album, letting her voice soar over a piano ballad that is somehow both somber and uplifting in tone.

"Someday soon, your whole life's gonna change," the 30-year-old singer croons in the anthem about appreciating the now. "You'll miss the magic of these good old days."

Check out the song below.

MORE: Kesha Sends Message of Support for Lady Gaga and Selena Gomez: 'Heal Safe and Feel Good'

Gemini drops on Friday.

Meanwhile, Kesha recently put out her first solo work in quite some time.

Watch the video below for her emotional essay about her single, "Praying."

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