Busbee, Grammy-nominated songwriter for Pink, Florida Georgia Line, dead at 43

Grammy-nominated songwriter and producer Busbee has died. He was 43.

A friend told Variety Busbee was diagnosed with a form of brain cancer called glioblastoma over the summer, for which he had been undergoing treatment.

Rolling Stone reported Busbee, whose real name was Michael James Ryan, wrote songs for Keith Urban, Lady Antebellum, Garth Brooks, Christina Aguilera, Maren Morris, Pink, Shakira and Florida Georgia Line.

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USA Today reported Morris tweeted in wake of the news of Busbee's death on Sunday, writing, "This just doesn't seem fair. I will always love you and the songs and albums I was lucky to make with you, Busbee. Rest well, my sweet friend."

The producer and songwriter notably worked on Rascal Flatts' 2009 single "Summer Nights," Pink's 2013 single "Try," "H.O.L.Y." by Florida Georgia Line and Morris' 2016 debut single, "My Church." He also wrote the album cut "Every Goodbye" on Blake Shelton's 2016 album "If I'm Honest."

Rolling Stone reported Shelton posted about Busbee's death on Twitter.

Busbee is survived by his wife, Jesse, and three children, including a newborn daughter.