Sion, Switzerland end of the old town. It houses the oldest playable organ in the world, which was built in the 1430s. Public Airshows have been held at the airfield of Sion. Participated Aerobatic teams have been for example the Frecce Tricolori from Italy as well as the Patrouille de France. The football club FC Sion plays in the Swiss Super League. Their stadium is the Stade Tourbillon. The HC Sion is the city's main Ice hockey team. They play in the Swiss Premiere League, the third tier of Swiss hockey. Their arena is the Ancien Stand which has a seating capacity
Lauda Sion Roman Catholic Church in transubstantiation, that is, that the bread and wine truly become the Body and Blood of Christ when consecrated by a validly-ordained priest or bishop during the Mass. "Lauda Sion" is one of only four medieval Sequences which were preserved in the "Missale Romanum" published in 1570 following the Council of Trent (1545–1563)—the others being Victimae paschali laudes (Easter), Veni Sancte Spiritus (Pentecost), and Dies Irae (Requiem Masses). (A fifth, Stabat Mater, would later be added in 1727.) Before Trent, many feasts had their own sequences. The "Lauda Sion" is still sung today, though its use is