Florence & The Machine are basking in the glow of a #1 single on the British iTunes Top 100 chart. But it’s not dumb luck that it ended up there. Singer and frontwoman Florence Welch has been Tweeting up a storm since the release of Calvin Harris‘ remix of “Spectrum (Say My Name).” The song was leaked by Florence more than a month ago yet was not available for purchase. Upon formal release through iTunes, it blasted up the charts within a week and still holds on to the top spot.

Prompted by a fan tweeting at the singer, Welch recently began commenting on various remixes, both authorized and not. She weighed in on a few worth highlighting, some by high-profile producers.

Thankyou so much!!! NO 1 on ITUNES! You did it! #spectrum #flowsareshining #flowsareshining!

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florence welch (@flo_tweet) July 09, 2012

The ending of the Clams Casino remix of NLMG is. EPIC. Up there with calvins spectrum and Jamie's ygtl as one of my favorite remixes. X

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florence welch (@flo_tweet) July 24, 2012

Oh and did anyone ever hear Dave Siteks remix of No Light. That was amazing. SICKtek. X

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florence welch (@flo_tweet) July 24, 2012

Shake It Out remixed by Benny Benassi

Rabbit Heart remixed by P.E.S.T.

Florence & The Machine’s latest full-length album Ceremonials was released October 31st, 2011 and reached the number one position on the UK Albums Chart in its first week and hit number six on the US Billboard 200.

–Jay Tilles, CBS Local