Melissa Etheridge’s son Beckett died from opioid addiction, the singer revealed Wednesday night.

“Today I joined the hundreds of thousands of families who have lost loved ones to opioid addiction,” the singer, 58, wrote. “My son Beckett, who was just 21, struggled to overcome his addiction and finally succumbed to it today.

“He will be missed by those who loved him, his family and friends. My heart is broken. I am grateful for those who have reached out with condolences and I Feel their love and sincere grief,” the note continued.

“We struggled with what else we could have done to save him and in the end we know he is out of the pain now.”

“I will sing again, soon,” Etheridge’s note concluded. “It has always healed me.”

Etheridge met her ex-partner, Beckett’s mother Julie Cypher, in 1986 on the set of the video for her single, “Bring Me Some Water.” Cypher was, at the time, married to actor Lou Diamond Phillips, and after divorcing him in 1990, went on to have daughter Bailey, 23, and Beckett with Grammy winner Etheridge. They eventually revealed that their sperm donor was 1960s icon David Crosby.