Signs of Life is the fourth studio album by the Penguin Cafe Orchestra. It was recorded at the Penguin Cafe between 1985 and 1987 and released in March 1987. It includes "Perpetuum Mobile", one of their most famous pieces. The album reached number 49 in the UK Albums Chart. This is the first re-press since 1987 and uses the 2008 remaster, pressed on Orange vinyl.