What was the nationality of the person Roger North compared Nicola Matteis to?
Nicola Matteis:  c. 1670 – after 1713) was the earliest notable Italian Baroque violinist in London, whom Roger North judged in retrospect "to have bin a second to Corelli," and a composer of significant popularity in his time, though he had been utterly forgotten until the later 20th century.
i don't know