The second Shanghai IPod Battle takes place this Saturday (the first one was last year at the ill-fated Pirates) in the street-chic environs of Volar. So, what is an IPod Battle? According to promoter Arthur Gallice, an IPod Battle, "is a musical tournament that puts in competition eight teams with the mission of seducing the crowd and make them go completely nuts by charming them with their Mp3 players and with their STYLE." And... what do the teams win?