Single Top 20, later as Single Top-20 and Track Top-40 is a record chart that ranks the best-performing songs of Denmark. Chart was owned by IFPI Danmark and Nielsen Music Control. Listings were provided through Billboard magazine under its "Hits of the World" section. Hitlisten, consisting of the Single Top-20 and Download Top 20 charts, launched on 1 January 2001 and served as the official chart for record sales in Denmark until the end of October 2007. Tracklisten was established 2 November 2007 with the Hitlisten charts being discontinued. Tracklisten is compiled by Nielsen Music Control in association with IFPI Danmark.