“We are utterly heartbroken… the impact he had was immense. He was a titan of UK music and culture”: Tributes paid to JD Twitch of Optimo

JD Twitch (Optimo) performs on stage at The British Music Embassy, Latitude 30 on Day 4 of SXSW 2013.

Sad news from Glasgow: JD Twitch, one half of the influential DJ duo Optimo has died, aged just 57.

DJ Twitch, whose real name was Keith McIvor, had been diagnosed with an inoperable brain tumour earlier this year. His DJ partner in Optimo, Jonnie Wilkes (aka JG Wilkes) announced that he passed away on Friday in Glasgow’s Prince and Princess of Wales Hospice.