It has been reported that Stevie Wonder has signed up to sing for President Barack Obama at a fundraiser concert in Los Angeles on October 7. Katy Perry, Jennifer Hudson, Jon Bon Jovi and Earth Water and Fire will be accompanying Stevie. The concert is titled – 30 days to Victory and produced by Ken Ehrlich and members of Obama’s Entertainment Advisory Council. Tickets are being sold online by Obama Campaign. Tickets start from 44 US Dollars each.