Basically Def Leppard emerged from the New Wave of British Heavy Metal (NWOBHM) in 1979. Groups such as Iron Maiden, Saxon, and Def Leppard were about the only groups from that period to find success. Saxon was never popular in the U.S. but was huge everywhere else. Iron Maiden made it here in the U.S. like Def Leppard. I first heard “Rock Brigade” played on one South Florida radio station and I immediately went out to buy it. The entire l.p. was solid hard rock, not commercial stuff! Just listen to songs such as “Rock Brigade”, “Wasted”, and “Rocks Off”. Great guitar licks courtesy of Steve Clark and Pete Willis are spread throughout this debut l.p. If your looking for Def Leppard commercialized stuff (ex.”Photograph”) you won’t find it on this release. Also their followup l.p. High N’ Dry” is a masterpiece. Yes it does have their hit “Bringin’ on the Heartbreak” which became commercialized thanks to MTV, but it also showed that Def Leppard could write great ballads as well as rock. Other than that, the l.p. just smokes and is even better than “On Through the Night”. Highly recommended!