According to jamiroquai.com it looks like Supersonic will get a US release on 9th November. No news on Black Capricorn Day other than the video is currently being shown on Japanese TV.
Around this time in May 2000, bidding on the Mini website for a Jamiroquai customised Mini car finished with the winner driving away in a bit of mini-jamiro-history for just over 14,000 pounds (UK).