Which UK chart topping single came first, John Newman's "Blame" featuring Calvin Harris or "I'm Not Alone" by Calvin Harris?
Calvin Harris:  In 2009, Harris released his second studio album "Ready for the Weekend", which debuted at number one on the UK Albums Chart and was later certified gold by the British Phonographic Industry within two months of its release. Calvin Harris:  Its lead single "I'm Not Alone" became his first song to top the UK Singles Chart.
i don't know