Condolences are pouring in via social media on the death of country music songwriter Andrew Dorff, who was responsible for penning such hits as Kenny Chesney’s “Save It for a Rainy Day,” Hunter Hayes’ “Somebody’s Heartbreak” and Blake Shelton’s “Neon Light.”

Andrew’s father, Steve Dorff, posted a thank you for the “outpouring of love and prayer” on Facebook:

The son of songwriter Steve Dorff Sr. and brother of actor Stephen Dorff, Andrew moved to Nashville from L.A. in 2003 to pursue songwriting. He went on to sign with Universal Music Publishing Group Nashville.

Andrew’s cause of death has not been released. According to the Miami-Dade medical examiner’s office, the songwriter died Monday night (Dec. 19). He was 40 years old.

Country stars like Chase Rice, Dan + Shay, Martina McBride and more have shared their condolences via Twitter.

So very sad to hear about @endorffin Thanks for caring enough to write with me and for “Ride” #shinewhileyouhavethechancetoshine #sweetsoul

— Martina McBride (@martinamcbride) December 20, 2016

I have a heavy heart…. RIP @endorffin. Nashville will miss you dearly. 🙏🏼

— Lindsay Ell (@lindsayell) December 20, 2016

The Nashville songwriting community lost one of its finest talents + kindest souls today.

Rest In Peace, @endorffin. 🐾

— Dan + Shay (@DanAndShay) December 20, 2016

No words. Andrew Dorff I don’t even know what to say man. Heart broken. You’ll be missed. A great songwriter taken way too young.

— Chase Rice (@ChaseRiceMusic) December 20, 2016

RIP Andrew Dorff 💔

— Mickey Guyton (@MickeyGuyton) December 20, 2016

Music Row and Country Music lost a good one today! Please pray for the family and friends of @endorffin So, so sad! pic.twitter.com/SQk4QvmyRK

— Ben Hayslip (@BenHayslip) December 20, 2016

Man I’m in shock.. can’t believe the news of @endorffin passing. Rest easy my friend. You will definitely be missed #RIP

— Jordan Rager (@Jordan_Rager) December 20, 2016

Sad to be finding out about Andrew Dorff passing away… Terrible tragedy. Prayers to his family.

— Blake Shelton (@blakeshelton) December 20, 2016

My thoughts and prayers go out to the family of Andrew Dorff. Steve, my heart hurts for you.… https://t.co/QFP9VmNtBK

— Reba (@reba) December 20, 2016

So saddened to learn of the passing of Andrew Dorff. We wrote many songs together including one… https://t.co/mhOWtKr0Yd

— Sara Evans (@saraevansmusic) December 20, 2016

I will miss my friend @endorffin. I will miss his sense of humor, his hello smile and his genius when it came to catching songs. Heartbroken

— Eric Paslay (@ericpaslay) December 20, 2016

Stunned and saddened at the loss of the kind and very talented songwriter @endorffin. My deepest condolences to his friends and family. RIP pic.twitter.com/I3dLAJWl3E

— Charles Esten (@CharlesEsten) December 20, 2016

My heart hurts 💔 Rest In Peace @endorffin

— Meghan Linsey (@meghanlinsey) December 20, 2016

A prolific writer w/ a huge heart. Music lost 1 of its greatest. So devastating. Rest in peace Andrew. The music you gave will live forever. pic.twitter.com/KLAK5JQ63m

— Hunter Hayes (@HunterHayes) December 20, 2016