Overview
- Gilbert's wife Lisa Cimorelli and New Found Glory announced that he passed peacefully in his sleep on Sunday, Sept. 20, with his wife and mother at his side.
- Paramore singer Hayley Williams posted an Instagram story on Wednesday, Sept. 23, calling Gilbert "a legend in the scene" and offering condolences to his family and bandmates.
- New Found Glory said they would forgo their Oct. 1 Aftershock Festival appearance so they could grieve and instead will perform multiple tribute sets at Epcot next week because Gilbert was a devoted Disney fan.
- Gilbert had spoken publicly about a multiyear battle with rare adrenal cancer that progressed to spinal, lung and brain tumors and was described in reporting this year as adrenocortical carcinoma; no official cause of death beyond his illness has been announced.
- As a co‑founder, lead guitarist and principal songwriter since 1997, Gilbert's influence on pop‑punk and hardcore is widely noted, and his death leaves his wife, his daughter Lily, his mother and his bandmates managing public tributes and memorial plans that have not yet been made public.