Jan Johnston collaborations and unreleased works
Since being discovered by BT in the mid 1990s's, Jan Johnston has frequently performed as guest vocalist on many dance tracks, the majority of which have been released, with others that have not been. A full list is set out below. Album collaborations. In addition to the singles she has provided vocals for, Jan has also provided vocals to some artist albums with some of the tracks being released as singles. Unreleased works. Johnston has written and recorded many other tracks with various artists which have gone on to be unreleased or even  released on promotional copies. Unreleased solo works. The majority of Jan Johnston's solo back catalogue has never been commercially released. Many of her recordings for Perfecto were issued on promotional copies as part of the aborted "Emerging" album campaign, whilst the majority for other labels have never even been released on promotional copies and are listed below.