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
Hard rock instrumental talent of Ronnie Montrose and vocals of Sammy Hagar released their first album in 1973. Former bubblegum-pop family act the Osmonds recorded two hard rock albums in 1972 and had their breakthrough in the UK with the hard-rock hit "Crazy Horses." Kiss built on the theatrics of Alice Cooper and the look of the New York Dolls to produce a unique band persona, achieving their commercial breakthrough with the double live album "Alive!" in 1975 and helping to take hard rock into the stadium rock era. In the mid-1970s Aerosmith achieved their commercial and artistic breakthrough with "Toys in