Short answers, pulled from the story.
The International Mozarteum Foundation took root in Salzburg during 1880. This organization grew from earlier efforts like the Cathedral Music Association which existed before the year 1841 when the original Mozarteum formed.
Schwarzstraße 26 houses the main office for the foundation and stands at Schwarzstraße 26 in Salzburg today. The institution manages the Mozart birthplace within the city limits and maintains a library known as the Bibliotheca Mozartiana.
Mozart Week began its run in 1956 to mark the 200th anniversary of his birth. Events coincide with his birthday around the 27th of January each year and include opera productions and orchestral concerts.
Recipients receive the Mozart Medal or the Lilli Lehmann Medal while another grant is known as the Preis der Internationalen Stiftung Mozarteum. These honors recognize significant contributions to Mozart scholarship and recognition comes through medals awarded annually by the body.
Up to twenty other performances occur throughout the year beyond the annual Mozart Week festival. Year-round activities maintain a connection to the composer's work and ensure continuous access to his compositions.