British folk band Mumford & Sons notched its second chart-topping album on the weekly U.S. Billboard 200 album chart on Wednesday, keeping singer Josh Groban from the coveted top spot. According to figures from Nielsen SoundScan, “Wilder Mind,” the third studio album from the Grammy-winning quartet, sold 231,000 albums, 78,000 songs and was streamed 15.4 million times, totaling 249,000 units. Groban held steady at No. 2 this week as his latest album “Stages” sold another 101,000 units.