CDnow mentions The Vault as a "notable debut" on the charts in an older article from Sep/1/1999:



"Other notable debuts include Jock Jams Vol. 5 at No. 51; Clay Walker's Live, Laugh, Love at No. 55; Made Men's Classic Limited Edition at No. 61; Third Day's Time at No. 63; Prince's collection of previously unreleased material, Vault -- Old Friends 4 Sale, at No. 85; Me'Shell Ndegeocello's Bitter at No. 105; and Jimmie's Chicken Shack's Bring Your Own Stereo at No. 153."