About Alo Mattiisen
Alo Mattiisen (22 April 1961 – 30 May 1996) was an Estonian musician and composer. One of the most famous melodies that he composed was a patriotic song titled "No land is alone" (Estonian: Ei ole üksi ükski maa), with lyrics written by the Estonian poet Jüri Leesment. Several other of his patriotic compositions became staples for the Singing Revolution including the ‘Five Patriotic Songs’ series. The first performance of Mattiisen with In Spe was in January 1984. In 1984, Mattiisen graduated from the Tallinn State Conservatory, becoming a specialist in pedagogy of music.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.