Blu-ray accounted for 60 percent of first-week disc sales, amounting to about 575,000 discs.

The album has sold 335,545 copies including CD sales and digital disc sales.

So far, the album has sold 199,319 copies including both CD and digital disc sales.

His disc sales exceeded ten million in 1972, and made him the top star of the year.

And it'll give a boost to my disc sales.

The subsequent explosion in sales of 99-cent digital singles on iTunes further eroded compact disc sales, many music executives say.

The effort is motivated in part by the two-year decline in compact disc sales.

Shortly after the "format war" ended, Blu-ray disc sales began to increase.

Global compact disc sales have dropped as much as 25 percent since 2000, according to industry executives.

Blu-ray 3D contributed to this, accounting for 17% of total disc sales.