Hard rock Styx helped further cement heavy rock in the Midwest as a form of stadium rock. In 1978, Van Halen emerged from the Los Angeles music scene with a sound based around the skills of lead guitarist Eddie Van Halen. He popularised a guitar-playing technique of two-handed hammer-ons and pull-offs called tapping, showcased on the song "Eruption" from the album "Van Halen", which was highly influential in re-establishing hard rock as a popular genre after the punk and disco explosion, while also redefining and elevating the role of electric guitar. The opening years of the 1980s saw a number of changes
Christian Rock Hard leaving Cartman all alone to recover from his pain. "Christian Rock Hard", along with the fourteen other episodes from "The Complete Seventh Season," were released on a three-disc DVD set in the United States on March 21, 2006. The sets included brief audio commentaries by Parker and Stone for each episode. IGN gave the season an 8/10. Christian Rock Hard "Christian Rock Hard" is the ninth episode of the seventh season and the 105th overall episode of the American animated series "South Park". It originally aired on Comedy Central in the United States on October 29, 2003. In the episode,