Complex sentence: She released in September 2010 her next single "Mr. Saxobeat", which became in less than a month her greatest hit in Romania, peaking at number-one on the Romanian Top 100 and defending the position for eight consecutive weeks.
Split into simpler sentences: She released in September 2010 her next single "Mr. Saxobeat". The song became in less than a month her greatest hit in Romania, peaking at number-one on the Romanian Top 100 and defending the position for eight consecutive weeks.