DanceJam, the dance video site started by MC Hammer and others, has raised a $3.5 million second round from Softbank Capital, Rustic Canyon and various individual investors, according to TechCrunch. This brings the company’s total raise to $4.5 million, having previously raised $1 million, from various angels, including Michael Arrington. The site offers a place for users to upload videos of themselves dancing, while competing against and rating other users.