Complex sentence: The song reached a high point of number 4 on March 8,2013, and on March 22,2013, it was certified double-platinum by the IFPI Denmark, indicating sales of 60,000 copies.
Split into simpler sentences: The song reached a high point of number 4 on March 8,2013 and on March 22,2013. It was certified double-platinum by the IFPI Denmark, indicating sales of 60,000 copies.