- Introduction: A Musico-Logical Offering
- Algenib (stars.astro.illinois.edu)
ALGENIB (Gamma Pegasi). Though the brightest star of Pegasus is Enif, the Epsilon star, the stars of the Great Square are of such obvious note that Bayer gave them Alpha through Delta. Delta (Alpheratz), the brightest, actually belongs to Andromeda as Alpha Andromedae, leaving Alpha, Beta, and Gamma Pegasi (Markab, Scheat, and Algenib) ranking 3-2-4 in the constellation and 2-1-3 in the Square, Algenib the faintest of them.
- The Musical Offering (Wikipedia)
The Musical Offering (German: Musikalisches Opfer or Das Musikalische Opfer), BWV 1079, is a collection of keyboard canons and fugues and other pieces of music by Johann Sebastian Bach, all based on a single musical theme given to him by Frederick the Great (King Frederick II of Prussia), to whom they are dedicated. They were published in September 1747. The Ricercar a 6, a six-voice fugue which is regarded as the high point of the entire work, was put forward by the musicologist Charles Rosen as the most significant piano composition in history (partly because it is one of the first). This ricercar is also occasionally called the Prussian Fugue, a name used by Bach himself.