Complex sentence: Justice Crew's second single "Friday to Sunday" was released on 17 December 2010, which peaked at number 18 on the ARIA Singles Chart and was certified double platinum, denoting sales of 140,000 copies.
Split into simpler sentences: Justice Crew's second single "Friday to Sunday" was released on 17 December 2010. The single peaked at number 18 on the ARIA Singles Chart and was certified double platinum by the ARIA, for sales of 140,000 copies.