The singers and their fans have clashed over the popular number
Pop singer criticises family and management for shabby treatment
Sources say the case was filed by the singer's nephew who was sued by Martin earlier over allegations of sexual abuse
The singer makes announcement on social media
Spencer Elden was seeking damages from defendants including the surviving former members of the band.
He had only performed four songs before abruptly ending his set, apologising to audience
South Korean pop star tells Andrew Russeth about his passion for visual art
Police say audience self-evacuated amphitheatre after incident