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Scott Weiland, the former lead singer of Stone Temple Pilots and Velvet Revolver, has died at the age of 48, his manager confirmed on Thursday.

Weiland was scheduled to perform with his band The Wildabouts in Medina, Minnesota, on Thursday night, and passed away in his sleep while on a tour stop in nearby Bloomington, according to a statement shared on his Facebook and Instagram accounts.

Weiland’s hard-edged baritone voice, which also stretched into higher registers, was a staple of ’90s rock radio as he powered such Stone Temple Pilots hits as “Plush” (which earned him his first Grammy), “Creep,” “Interstate Love Song,” “Vasoline,” and “Trippin’ on a Hole in a Paper Heart.” The band — which formed in Southern California and includes brothers Dean and Robert DeLeo and Eric Kretz — released five albums from the early 90s to the early 2000s, among them 1992’s eight-times-platinum Core and 1994’s six-times-platinum Purple, which reached No. 1. STP broke up acrimoniously in 2002, but reunited in 2008 and released the self-titled album Stone Temple Pilots two years later; Weiland was fired in 2013 and replaced by Chester Bennington.

After the group’s 2002 split, he found success with the hard-rock group Velvet Revolver, which teamed him with ex-Guns N’ Roses members Slash, Duff McKagan, and Matt Sorum. Velvet Revolver released two albums with Weiland, including 2004’s double-platinum Contraband, which debuted at No. 1 and featured “Slither” (landing him another Grammy) and “Fall to Pieces.” Weiland exited tumultuously in 2008, though he would reunite with the band for a benefit concert in 2012.

While Weiland enjoyed great professional fortune in the ’90s and 2000s, he battled substance abuse issues, which resulted in arrests and rehab visits over the years.

Over his career, Weiland also released four solo albums, the last of which was March’s Blaster (under the name Scott Weiland & The Wildabouts). He was touring with the Wildabouts when he died.

The news was first posted by Jane’s Addiction guitarist Dave Navarro, who tweeted, “Just learned our friend Scott Weiland has died. So gutted, I am thinking of his family tonight.”

In his 2011 memoir Not Dead & Not For Sale, Weiland detailed his “twisted, demoralized, redemptive, remarkable” life.

“This memoir took me unknowingly to new highs and new uncharted lows,” he wrote in the book’s introduction. “The human heart filled with sorrows and gold inspired me to dig further through this marathon or labyrinth in order to get the answers, find truth, and forgive injustices endured in order to move forward happy mostly, sad lovingly, and purged of the nightmares of the past. It’s been a grand endeavor. But worth it.”

He is survived by two children, Noah and Lucy, and his third wife, Jamie Wachtel.

UPDATE: Stone Temple Pilots and Velvet Revolver paid tribute to their former frontman on Friday. “Let us start by saying thank you for sharing your life with u,” Stone Temple Pilots said in a statement. “Together we crafted a legacy of music that has given so many people happiness and great memories. The memories are many, and they run deep for us. We know amidst the good and the bad you struggled, time and time again. It’s what made you who you were. You were gifted beyond words, Scott. Part of that gift was part of your curse. With deep sorrow for you and your family, we are saddened to see you go. All of our love and respect. We will miss you brother.”

“We are deeply saddened to learn of the loss of our old friend and bandmate, Scott Weiland,” said Velvet Revolver in a statement. “We experienced a good chunk of life with Scott, and even in his darkest times, we all had hope and love for him. His artistry will live on, of that, there is no doubt. Deepest condolences and sadness are for his children, Noah and Lucy. We all travelled around this world together on tour; our band, wives, and kids…and we grew to a big family that still remains to this day. It’s just so sad and brutal from any perspective. Rest In Peace Scott.”