among adolescent working-class males in North America and Europe. In the 1980s, bands such as Bon Jovi, Guns N' Roses, Duran Duran, Skid Row and Def Leppard saw mainstream success, with hard rock and a fusion of hard rock with pop. During the 1990s, hard rock saw a slight decline in popularity, save for some major hits like Guns N' Roses' November Rain. But in the early 2000s, Bon Jovi's It's My Life saw a huge increase in popularity of rock and pop rock and helped introduce the genres to a newer fanbase. Christian rock Rock, mostly the heavy metal genre, has been criticized by some Christian leaders, who have condemned it as immoral, anti-Christian and even satanic. However, Christian rock began to develop in the late 1960s, particularly out of the Jesus movement beginning in Southern California, and emerged as a subgenre in the 1970s with artists like Larry Norman, usually seen as the first major "star" of Christian rock. The genre was mostly a phenomenon in the United States. Many Christian rock performers have ties to the contemporary Christian music scene. Starting in the 1980s Christian pop performers have had some mainstream success. While these artists were largely acceptable in Christian communities, the adoption of heavy rock and glam metal styles by bands like Stryper, who achieved considerable mainstream success in the 1980s, was more controversial. From the 1990s there were increasing numbers of acts who attempted to avoid the Christian band label, preferring to be seen as groups who were also Christians, including P.O.D. Heartland rock American working-class oriented heartland rock, characterized by a straightforward musical style, and a concern with the lives of ordinary, blue-collar American people, developed in the second half of the 1970s. The term heartland rock was first used to describe Midwestern arena rock groups like Kansas, REO Speedwagon and Styx, but which came to be associated with a more socially concerned form of roots rock more directly influenced by folk, country and rock and roll. It has been seen as an American Midwest and Rust Belt counterpart to West Coast country rock and the Southern rock of the American South. Led by figures who had initially been identified with punk and New Wave, it was most strongly influenced by acts such as Bob Dylan, the Byrds, Creedence Clearwater Revival and Van Morrison, and the basic rock of 1960s garage and the Rolling