Complex sentence: The first single, "Closer", was released on September 25,2012 and has reached number 6 on the MuchMusic Top 30 countdown, and is Tegan and Sara's first single to be certified Gold in Canada.
Split into simpler sentences: The first single, "Closer," was released on September 25,2012, and has reached number 6 on the MuchMusic Top 30 countdown. It is also Tegan and Sara's first single to be certified Gold in Canada.