Complex sentence: The Washington Times Magazine ranked Big Time Rush Number 15 of their Top 20 Best Boy Bands of the decade in 2012 and number 28 on the pop goes the charts website of the Top 40 Best Boy Bands of the past 25 years in 2013.
Split into simpler sentences: The Washington Times Magazine ranked Big Time Rush Number 15 of their Top 20 Best Boy Bands of the decade in 2012. And number 28 on the pop goes the charts website of the Top 40 Best Boy Bands of the past 25 years in 2013.