U2/VARIOUS Walk On (Included on a 2001 UK PAL 43-track 'America: A Tribute To Heroes' compilation promotional DVD test disc. Ten days after the World Trade Centre attacks, on September 21st, a telethon was aired simultaneously on most of the major networks across the United States and internationally to raise funds for the families of the victims of the terrorist attacks, also features tracks by Bruce Sprintsteen, Mariah Carey & Celine Dion.The disc is unprinted as is usual in test discs, and is housed in the commercial artwork picture sleeve)