Origins and architecture of the Taj Mahal order to all the elements of the Taj Mahal. Hierarchical ordering of architecture is commonly used to emphasise particular elements of a design and to create drama. In the Taj Mahal, the hierarchical use of red sandstone and white marble contributes manifold "symbolic" significance. The Mughals were elaborating on a concept which traced its roots to earlier Hindu practices, set out in the Vishnudharmottara Purana, which recommended white stone for buildings for the Brahmins (priestly caste) and red stone for members of the Kshatriyas (warrior caste). By building structures that employed such colour-coding, the Mughals identified themselves with the two
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