Premise: "Mirror Mirror" is a song recorded by pop band M2M, composed of singers Marion Raven and Marit Larsen. It was the second single from their debut album, "Shades of Purple". The song reached No. 13 in Canada, No. 30 in Australia and No. 62 on the Billboard Hot 100. It was certified gold in the US, selling over 600,000 units.
Hypothesis: Mirror Mirror sold only 500,000 copies.