@celfoindustries: When: August 19, 2002. Where: Ilha do Ermal festival, Portugal. What Happened: After playing just two songs, the band faced a hostile crowd pelting them with water bottles and rocks. The Trigger: Lead singer Chad Kroeger was hit in the head with a rock, prompting the band to leave. The Response: As they exited, some band members flipped off the crowd, with Kroeger famously saying, "See ya!". Why it's Famous: It became a notorious example of intense audience backlash and a hostile live music environment, often highlighted in discussions about the band's polarizing reception. #nickelback