Symphony No. 41 (Mozart) written only a few weeks before Mozart's, also has a fugato in the finale, the theme of which begins with two whole notes. Sherman has pointed out other similarities between the two almost perfectly contemporaneous works. The four-note motif is also the main theme of the contrapuntal finale of Michael's elder brother Joseph's Symphony No. 13 in D major (1764). According to Franz Mozart, Wolfgang's younger son, the symphony was given the name "Jupiter" by Johann Peter Salomon, who had settled in London in around 1781. The name has also been attributed to Johann Baptist Cramer, an English music publisher.
What Is and What Should Never Be (Supernatural) its original broadcast, "What Is and What Should Never Be" was viewed by an estimated 3.11 million viewers, one of the lowest ratings for the season. Conversely, writer Raelle Tucker won the Constellation Award for "Best Overall 2007 Science Fiction Film or Television Script" for her work on the episode, and the episode garnered positive reviews from critics. Tina Charles of TV Guide "adored" the episode, and considered it to be Jensen Ackles' best performance of the series. She experienced an "emotional roller coaster the entire hour", finding Dean's monologue at his father's grave to be "crushing" but the lawnmower