Taj Mahal earlier Mughal buildings were primarily constructed of red sandstone, Shah Jahan promoted the use of white marble inlaid with semi-precious stones. Buildings under his patronage reached new levels of refinement. The tomb is the central focus of the entire complex of the Taj Mahal. It is a large, white marble structure standing on a square plinth and consists of a symmetrical building with an "iwan" (an arch-shaped doorway) topped by a large dome and finial. Like most Mughal tombs, the basic elements are Persian in origin. The base structure is a large multi-chambered cube with chamfered corners forming an unequal
Taj Mahal (musician) of his unique sound." According to "The Rough Guide to Rock", "It has been said that Taj Mahal was one of the first major artists, if not the very first one, to pursue the possibilities of world music. Even the blues he was playing in the early 70s – "Recycling The Blues & Other Related Stuff" (1972), "Mo' Roots" (1974) – showed an aptitude for spicing the mix with flavours that always kept him a yard or so distant from being an out-and-out blues performer." Concerning his voice, author David Evans writes that Mahal has "an extraordinary voice that ranges