Welcome to my third megarate ceremony: Rihanna's 'LOUD'!    Loud received generally positive reviews from music critics, who complimented its upbeat material and Rihanna's vocal performances, while others stated that although the songs were solid, they were unfocused to each other. The album was a commercial success; it debuted at number three on the US Billboard 200chart, with sales of 207,000 copies, the highest first-week sales of her career at the time. The album peaked at number o