Joseph Rheinberger (1839-1901) was a German-born composer and organist who was active in the late 19th and early 20th centuries. He was born in Vaduz, Liechtenstein, and received his musical education in Germany, where he studied composition with Franz Lachner and piano with Ignaz Moscheles. Rheinberger is best known for his sacred choral music, which includes a number of motets and masses that are still widely performed today. He also composed a number of secular works, including operas, symphonies, and chamber music. Rheinberger was also a skilled organist, and composed a number of works for the instrument, including sonatas and other pieces. In addition to his composing and performing activities, Rheinberger was also a respected teacher, and taught at the Munich Conservatory for many years.