Lloyd Webber began composing the songs in late 1977 as a songwriting exercise, partly because Eliot's book had been a childhood favourite and partly to see if he could write music to predetermined lyrics. The compositions were performed privately for friends but Lloyd Webber had no further intentions for them at the time. After his song cycle Tell Me on a Sunday was televised by the BBC in early 1980, Lloyd Webber began to consider using his musicalizations of Eliot's poems in the same vein for a televised concert anthology.[8] He approached producer Cameron Mackintosh to discuss possible avenues for the songs.[9]
When cats become aggressive, they try to make themselves appear larger and more threatening by raising their fur, arching their backs, turning sideways and hissing or spitting.[141] Often, the ears are pointed down and back to avoid damage to the inner ear and potentially listen for any changes behind them while focused forward. They may also vocalize loudly and bare their teeth in an effort to further intimidate their opponent. Fights usually consist of grappling and delivering powerful slaps to the face and body with the forepaws as well as bites. Cats also throw themselves to the ground in a defensive posture to rake their opponent's belly with their powerful hind legs.[152]
Cats and many other animals have a Jacobson's organ in their mouths that is used in the behavioral process of flehmening. It allows them to sense certain aromas in a way that humans cannot. Cats are sensitive to pheromones such as 3-mercapto-3-methylbutan-1-ol,[86] which they use to communicate through urine spraying and marking with scent glands.[87] Many cats also respond strongly to plants that contain nepetalactone, especially catnip, as they can detect that substance at less than one part per billion.[88] About 70–80% of cats are affected by nepetalactone.[89] This response is also produced by other plants, such as silver vine (Actinidia polygama) and the herb valerian; it may be caused by the smell of these plants mimicking a pheromone and stimulating cats' social or sexual behaviors.[90]
Colleen Riley is a freelance editor, artist, and immigration paralegal. Her credits include The White Box, Beating the Story, Friendly Local Game Store, Meeples Together, Unknown Armies 3, Infinity, Laser Kittens, More Kittens, Black Mass, and Cavaliers of Mars: Witch-Queen of the Shadowed Citadel. She has also down a lot of work on the Technoir line Technoir, Mechnoir, Morenoir) and the Trinity Continuum (Æon Æxpansion, Distant Worlds, and In Media Res). She serves four (mostly) benevolent feline overlords in Minneapolis, Minnesota. Her Twitter (@wordbunny) and Instagram (colleen_elizabeth_riley) are primarily cat pictures. 
Cats conserve energy by sleeping more than most animals, especially as they grow older. The daily duration of sleep varies, usually between 12 and 16 hours, with 13 and 14 being the average. Some cats can sleep as much as 20 hours. The term "cat nap" for a short rest refers to the cat's tendency to fall asleep (lightly) for a brief period. While asleep, cats experience short periods of rapid eye movement sleep often accompanied by muscle twitches, which suggests they are dreaming.[129]
Niacin is an essential vitamin for the cat; dietary deficiency can lead to anorexia, weight loss and an increase in body temperature.[119] Biosynthesis of niacin occurs by metabolism of tryptophan via the kynurenine pathway to quinolinic acid, the niacin precursor. However, cats have a high activity of picolinic acid carboxylase, which converts one of the intermediates to picolinic acid instead of quinolinic acid.[120] As a result, niacin can become deficient and require supplementation.[121]
During a fall from a high place, a cat reflexively twists its body and rights itself to land on its feet using its acute sense of balance and flexibility. This reflex is known as the cat righting reflex.[96] An individual cat always rights itself in the same way during a fall, provided it has sufficient time to do so. The height required for this to occur is around 90 cm (3.0 ft).[97] Cats without a tail also have this reflex.[98] Several explanations have been proposed for this phenomenon since the late 19th century:
Feeding a kitten isn’t as easy as grabbing a bag of cat chow at the nearest convenience store. Growing kittens need as much as three times more calories and nutrients than adult cats. That’s why it’s important to find a good quality food designed especially for kittens. A name brand food, formulated for kittens, is the simplest way to ensure that your kitty gets the proper nourishment without supplements. Also, check to make sure your kitten’s food includes a statement from the Association of Animal Feed Control Officials (AAFCO) displayed on the packaging, ensuring the food is nutritionally complete.
Cats can synthesize niacin, but their breakdown exceeds the rate that it can be synthesized and thus, have a higher need for it, which can be fulfilled through an animal-based diet.[24] Pyridoxine (vitamin B6) is required in increased amounts seeing as it is needed to produce amino acids.[24] To continue, vitamin B12 is an AAFCO-recommended vitamin essential in the metabolism of carbohydrates and protein and maintains a healthy nervous system, healthy mucous membranes, healthy muscle and heart function and in general, promotes normal growth and development.[42] Choline is also a AAFCO recommended ingredient for kittens, which is important for neurotransmission in the brain and as a component of membrane phospholipids.[24] Biotin is another AAFCO-recommended vitamin to support thyroid and adrenal glands and the reproductive and nervous systems.[24] Kittens also require riboflavin (vitamin B2) for heart health, pantothenic acid (vitamin B5), and folacin.[42]
Lloyd Webber also employs various techniques to help connect the pieces. Namely, the score relies heavily on recurring motifs as well as the use of preludes and reprises.[76] For instance, melodic fragments of "Memory" are sung by Grizabella and Jemima at several points in the show before the song is sung in full,[39] serving to characterize Grizabella and foreshadow her final number.[77][78] Similarly, Lloyd Webber introduces a fugue in the overture, and variations of this theme are then repeated throughout the musical until it is finally resolved as Grizabella ascends to the Heaviside Layer.[79]

In Magical Kitties Save the Day, one player — known as the Game Master (GM) — has a very special role. They describe the world in which the magical kitties live to the other players and, when the kitties take action, they use the rules of the game to figure out what happens next. Magical Kitties also includes “Magical Kitties & The Game Master’s First Adventure.” Just as The Big Adventure will walk new players through how to play the game, “The Game Master’s First Adventure” will walk first-time Game Masters through how to run the game for their friends and family.
Even in places with ancient and numerous cat populations, such as Western Europe, cats appear to be growing in number and independently of their environments' carrying capacity (such as the numbers of prey available).[217][218] This may be explained, at least in part, by an abundance of food, from sources including feeding by pet owners and scavenging. For instance, research in Britain suggests that a high proportion of cats hunt only "recreationally",[218] and in South Sweden, where research in 1982 found that the population density of cats was as high as 2,000 per square kilometre (5,200/sq mi).[217]
A few attempts to build a cat census have been made over the years, both through associations or national and international organizations (such as the Canadian Federation of Humane Societies's one[245]) and over the Internet,[246][247] but such a task does not seem simple to achieve. General estimates for the global population of domestic cats range widely from anywhere between 200 million to 600 million.[248][249][250][251][252][253]
Following its Broadway debut, Cats has been staged extensively across North America. The first US national tour, Cats National I, launched at the Shubert Theatre in Boston in December 1983 and closed in November 1987. The opening night cast included Laurie Beechman playing Grizabella and Charlotte d'Amboise playing Cassandra; later replacements included Victoria Clark and Jessica Molaskey both playing Jellylorum/Griddlebone. This production was a "slow tour" that had lengthy engagements lasting for several months in each of the nine cities it visited.[112][113] Cats National II, a separate sit-down production at the Los Angeles Shubert Theatre, ran from January 1985 to November 1986, and starred Kim Criswell and George de la Peña in the roles of Grizabella and Mistoffelees respectively.[114][115] A third US touring company, Cats National III, ran for two years from September 1986 to September 1988. Notable performers in the third tour included Jonathan Cerullo as Skimbleshanks (1986) and Bill Nolte as Old Deuteronomy (1987).[116]
Feral cats are domestic cats that were born in or have reverted to a wild state. They are unfamiliar with and wary of humans and roam freely in urban and rural areas.[10] The numbers of feral cats is not known, but estimates of the US feral population range from 25 to 60 million.[10] Feral cats may live alone, but most are found in large colonies, which occupy a specific territory and are usually associated with a source of food.[206] Famous feral cat colonies are found in Rome around the Colosseum and Forum Romanum, with cats at some of these sites being fed and given medical attention by volunteers.[207]
The earliest known indication for a tamed African wildcat was excavated close by a human grave in Shillourokambos, southern Cyprus, dating to about 9,200 to 9,500 years before present. As there is no evidence of native mammalian fauna on Cyprus, the inhabitants of this Neolithic village most likely brought the cat and other wild mammals to the island from the Middle Eastern mainland.[13] Scientists therefore assume that African wildcats were attracted to early human settlements in the Fertile Crescent by rodents, in particular the house mouse (Mus musculus), and were tamed by Neolithic farmers. This commensal relationship between early farmers and tamed cats lasted thousands of years. As agricultural practices spread, so did tame and domesticated cats.[14][6] Wildcats of Egypt contributed to the maternal gene pool of the domestic cat at a later time.[49] The earliest known evidence for the occurrence of the domestic cat in Greece dates to around 1200 BC. Greek, Phoenician, Carthaginian and Etruscan traders introduced domestic cats to southern Europe.[50] By the 5th century BC, it was a familiar animal around settlements in Magna Graecia and Etruria.[51] Domesticated cats were introduced to Corsica and Sardinia during the Roman Empire before the beginning of the 1st millennium.[52] The Egyptian domestic cat lineage is evidenced in a Baltic Sea port in northern Germany by the end of the Roman Empire in the 5th century.[49]
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