STACKING UP SALES

Total album and single sales of CDs and cassettes for the week ended Aug. 8, compared to week-ago and year-ago levels, in thousands of units sold: Latest week Albums: 10,556 Singles: 2,816

Week-ago Albums: 10,582 Singles: 2,665

Year-ago Albums: 9,607 Singles: 2,342

Atop the Charts

The biggest-selling albums and most popular singles--based on sales or radio airplay--for a range of musical categories, for the week ended Aug. 8. Both are indicators of music company performance.