Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.digitalspy.co.uk/music/news/a590131/calvin-harris-defends-blocking-rita-ora-performance-i-had-good-reason.html&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNEm5Z7K787UjTkRgwi9cLlXSzUHhQ class="colorbox" title="Calvin Harris defends blocking Rita Ora performance: ‘I had good reason'” >calvin harris