The was an advance, watermarked promotional CD-R acetate sent to press and radio stations to build hype for the original November 2009 release date. Because these were distributed before Buchanan's departure, they represent the only physical format where fans can hear the intended version of the album's core tracks with the "4.0" lineup.

On the final Sweet 7 album, Keisha’s vocals remain on “Get Sexy” and parts of other tracks, but some were re-recorded by Jade Ewen for the commercial release. The sampler preserves Keisha’s original lead vocals.

Most known samplers include: