Traditional Irish music from a floating band of players was part of the attraction: so was danger.

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In addition, the official says, a floating X-band radar has to be modified to track the satellite's trajectory, and the "fire-control" systems on the Navy ships also needed modification.

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It was at this 16th Century estate, in 1969, that Brian Jones, guitarist and founding member of the Rolling Stones, was discovered floating face down in his pool, a month after band mates Mick Jagger and Keith Richards had booted him from the band.

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This does not include those countries which, like Russia, seemingly have a floating currency, but one which, in practice, the government tries to keep within a close band with major currencies.

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