Deep Purple, Machine Head***** (1972): Not as good or as heavy as "In Rock," but it is a pretty cool album and another solid entry in the early days of heavy metal. Plus, it has the riff that launched a thousand (at least) heavy metal bands, and I have to say that "Lazy" is a great little groove with, I believe, some very interesting shredding. (3/21/2014)
"Child in Time" is a song by the English rock band Deep Purple. A protest song against the Vietnam War, it is featured on the band's 1970 album Deep Purple in Rock and runs over 10 minutes. Ian Gillan has said that "Child in Time" is based on It's a Beautiful Day's psychedelic song "Bombay Calling". As Ian put it in a 2002 interview, "The song basically reflected the mood of the moment, and that's why it became so popular.