What is the X in X-mas?
British rock band that was extremely popular in the 1970s. Although their musical style was diverse, they came to be well known for their influence on the development of heavy metal. The members were Jimmy Page (b. Jan. 9, 1944, Heston, Middlesex, Eng., ), Robert Plant (b. Aug. 20, 1948, West Bromwich, West Midlands, ), John Paul Jones (original name John Baldwin; b. Jan. 3, 1946, Sidcup, Kent, ), and John Bonham (b. May 31, 1948, Redditch, Hereford and Worcester, -d. Sept. 25, 1980, Windsor, Berkshire, )