BillboardFormer Jethro Tull bass player Glenn Cornick deadgulfnews.comGlenn Cornick, the original bass player in the rock band Jethro Tull, died of congestive heart failure at his home in Hilo, Hawaii, on Thursday. Drew Cornick says his 67-year-old father had been receiving hospice care. Cornick performed with Jethro Tull from ...Glenn Cornick, Jethro Tull Bassist, Dies at 67Hollywood ReporterFormer Jethro Tull bass player Glenn Cornick diesGoErie.comR.I.P.