Jam Science

Jam Science is the second album by English pop group Shriekback. It was released in two versions in 1984, and was reissued on CD in a two-disc special release from the band themselves, with the second disc being a live show at Hatfield.

The first edition, issued on Y Records in early 1984, was the final release by the label. As the company's final activity, label owner Dick O'Dell assembled an unfinished version of the album from rough mixes without the group's permission; however as the album was contractually recorded for the label, it is not an unauthorised release. Y was a UK record company, but this album was manufactured and distributed in the Netherlands by Sound Products Holland BV, and was out of print by the time the second edition was released. The second edition, issued on Arista Records in late 1984, is the version sanctioned by the group.

"Hand on My Heart" and "Mercy Dash" were also issued as singles, both on Arista.

Differences between Y and Arista editions

Each edition contains tracks not found on the other, as well as alternate recordings and alternate mixes.