Music archaeologist Dr Graeme Lawson said the discovery marked a "step change" in music history.
"There is a step change taking place over next few months, " according to Mr Llewelyn.
There needs to be a step change in professions like medicine, journalism and politics.
Commanding Officer Cdr George Tabeart said it was a "privileged step change" from HMS Scott's usual work.
Now, reckons Mr FitzGerald, the pieces are in place for technology to allow a step change in the business.
Well, that would not necessarily lead to a step change in competition.
Senior figures are proposing a two-step change to the payment of benefits.
For the Tories, its shadow deputy commons leader Shailesh Vara welcomed the move as an opportunity to secure a "genuine step change in representation".
These call for a step change in efforts to halt the loss of biodiversity and restore the essential services that a healthy natural environment provides.
This is a step change: before we had hacking of celebrities and politicians, but here we have the interference of a murder inquiry involving a 13-year-old girl.
"We too recognize that there is still a major step change in performance that is needed to meet our recycling, composting and landfill diversion targets, " he added.
Lord Triesman welcomed the recent "increased movement" of goods and services in and out of Gaza but accepted it was not enough and a step change was needed.
It was a "scandal" that such a small percentage of power is generated from renewable sources and there must be a "step change" in energy efficiency improvements to homes, he added.
MasterPass represents a genuine step change for Australian retailing.
"Today's announcement is tremendous news for anyone with an interest in creating a strong, independent Green Investment Bank, which has the capacity to kick-start the step change needed to create a low carbon economy, " he said.
BBC: Clegg: UK green bank 'to begin investing in April 2012'
Prime Minister David Cameron has said there needs to be "a big cultural change" in favour of competitive sports in schools, while the British Olympic Association (BOA) has called for a "step change" in government policy towards sports.
It's 112 pages long, it marks a step change in the Welsh Government's willingness to change the law in order to pursue its policies and if passed in its current form, could have a major impact not only on the way education is organised but also, on the way your children and mine are taught.
As so often in this duopolistic industry, one manufacturer's technological step-change is followed by its rival.
The scale proposed for the Arizona projects would be a step-change in scale for these types of solar-energy projects.
And we all know that measurement is the first step to change.
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Similarly, our policy in heath was not simply more doctors, nurses and new buildings - although we have achieved a step-change in all three.
BBC: NEWS | UK | Politics | Full text: Blair on public services
Even mighty Toyota recognises it needs a step-change in its manufacturing if it is to come up with a car for the masses in emerging markets.
Apple's reputation for market-leading innovation took a knock after the iPhone 5 was seen as an iteration of an earlier design rather than a characteristic step-change.
The Syrian opposition at one stage threatened to boycott this Rome meeting altogether if there wasn't going to be some sign of a step-change in Western policy.
Well, if you know me at all by now, you know the answer comes from another book, in this case One Small Step Can Change Your Life: The Kaizen Way.
In his statement, he told MPs that the government would investigate whether a "step-change" in the UK's climate means more money must be spent on equipment to deal with heavy snow.
But Airbus is claiming a similar step-change to the one that accompanied the launch of the 747: operating costs will be 15-20% lower than those of any rival aircraft, it says.
In addition to current strategies, it will be crucial to deliver a step-change in the demonstration of value to payers and patients to ensure that every approved product reaches its full potential.
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