Dweezil Zappa "Jack Frost". In 1999, Dweezil, alongside his brother, Ahmet Zappa, starred in a show featuring celebrities, bands and dance troupe called "Happy Hour" which debuted April 3, 1999 on the USA Network. The show lasted for one season despite its success due to a copyright dispute over the title of the show. In "Weird Al" Yankovic's 2003 eleventh studio album "Poodle Hat", Zappa performs the opening guitar solo and sings on the track, "Genius in France". In 2006, Zappa organized the "Zappa Plays Zappa" tour. He assembled a band of young musicians with a view to bring the music of
Digit (unit) one twelfth of the diameter of the sun or the moon. This is found in the Moralia of Plutarch, XII:23, but the definition as exactly one twelfth of the diameter may be due to Ptolemy. Sosigenes of Alexandria had observed in the 1st century AD that on a dioptra, a disc with a diameter of 11 or 12 digits (of length) was needed to cover the moon. The unit was used in Arab or Islamic astronomical works such as those of Ṣadr al‐Sharīʿa al‐Thānī (d.1346/7), where it is called "iṣba' ", digit or finger. The astronomical digit was in use