Swing Out Sister are an English pop group which began life as a trio. The group was formed by Andy Connell (keyboards) and Martin Jackson (drums); they were later joined by Corinne Drewery (vocals).
In late 1986, the single “Breakout” was released. It reached the number four position on the UK Singles Chart in November 1986, and number six on the Billboard Hot 100 chart in the United States in November 1987. Martin Jackon left the group after this period.