In August 2020, Swift revealed that she was releasing a surprise album called "folklore", after it was announced her Loverfest stadium tour was canceled due to the coronavirus pandemic. Its lead single, "cardigan", entered at number one on the US Hot 100, becoming her sixth US number-one. "folklore" became her seventh US number-one album. She became the first artist to enter at number one on both the Hot 100 singles chart and "Billboard" 200 album chart in the same week.