This is very cool: Musicplasma is a graphical search engine that lets you enter the name of a band or artist, and returns a network display of artists that have similarities in style, history and genre. This sample screenshot shows the relational mapping results returned when I entered "Ultravox" into the search box. Musicplasma uses Amazon.com's XML data to generate the maps, and there is an interesting observation I made after a few searches: there are fewer than "three degrees" removed between The Beatles, Radiohead, or Neil Young and virtually every artist I've searched for using the site. Even the KLF is one step removed from Neil Young, via the Timelords. What gives? [via Airbag]

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