Many of Alcott's educational principles are still used in classrooms today, including " teach by encouragement ", art education, music education, acting exercises, learning through experience, risk-taking in the classroom, tolerance in schools, physical education / recess, and early childhood education.

Many Jews consider a portion of the 49-day period of the counting of the omer between Passover and Shavuot to be a time of semi-mourning and instrumental music is not allowed during that time.

Many Muslim musicians also perform a form of a cappella music called nasheed or Tawasheeh.

Many of these dance types are familiar from baroque music, perhaps most spectacularly in the stylized suites of J. S. Bach.

Many early forms of music and dance were created and performed together.

Many other languages have terms which only partly cover what Europeans mean by the term music ( Schafer ).

Many definitions of music implicitly hold that music is a communicative activity which conveys to the listener moods, emotions, thoughts, impressions, or religious, philosophical, sexual, or political concepts or positions.

Many other director's cut music videos contain sexual content that can't be shown on TV thus creating alternative scenes, such as 30 Seconds to Mars's Hurricane, and in some cases, alternative videos, such as in the case of Spears ' 2008 video for Womanizer.

Many historic bands and early rock music recordings used this configuration, notable users including Ringo Starr in the Beatles, Mitch Mitchell in the Jimi Hendrix Experience, John Barbata in the Turtles and many others.

Many Asian civilizations distinguish between art / court / classical styles and " folk " music, though cultures that do not depend greatly upon notation and have much anonymous art music must distinguish the two in different ways from those suggested by western scholars.

Many churches today use contemporary worship music which includes a range of styles often influenced by popular music.

Many passages for solo harp can be found in 19th century ballet music, particularly in scores for the ballets staged for the Mariinsky Theatre of St. Petersburg, where the harpist Albert Zabel played in the orchestra.

Many harpsichords have a lid that can be raised, a cover for the keyboard, and a stand for music.

Many reasons have been cited for the obscurity of Western classical music in India, a country rich in its musical heritage by its own right, however the two main reasons are an utter lack of exposure and a passive disinterest in what is considered esoteric at best.

Many attempts to popularize Western classical music in India have failed in the past due to disinterest and lack of sustained efforts.

Many people in cultures which have notation still learn by ear and ear training, often through a musicianship course at a music conservatory or college, is common practice among those who use notation extensively.

Many of the band's songs dealt with themes of romance, unrequited love and sexual conquest, which were common in rock, pop and blues music.

Many such martial arts incorporate music, especially strong percussive rhythms.

Many of his students were artists working in other media with little or no background in music.

Many instrumental performers and singers, including a number of music celebrities, have learned " by ear ", especially in folk music styles such as blues and popular styles such as rock music.

Many are phototrophic, although some groups contain members that are mixotrophic, deriving energy both from photosynthesis and uptake of organic carbon either by osmotrophy, myzotrophy, or phagotrophy.

Many Ásatrú groups celebrate with blóts.

Many Coccidiomorpha have an intermediate host as well as a primary host, and the evolution of hosts proceeded in different ways and at different times in these groups.

Many western human rights groups state that civil rights and free expression are severely limited in Belarus, though there are some individuals and groups that refuse to be controlled and some journalists have disappeared.

Many organisations, including the police, not for profit, social or charitable groups with a regular need for group transport may find it practical or cost-effective to own and operate a bus for their own needs.

Many thousands of innocents were incarcerated as part the Leningrad Affair and the Doctor's Plot, while whole ethnic groups were deported to Siberia.

Many ethnic groups were involved, including ancestors of the Turks, Mongols, and Tibetans.

Many riders choose to ride together in groups of the same skill level to take advantage of drafting.

Many carbohydrates contain one or more modified monosaccharide units that have had one or more groups replaced or removed.

Many Capoeira groups include Maculelê in their presentations.

Many familiar groups, the rodents and the insects for example, are clades ; others, like the lizards and the monkeys, are not.

Many historical reenactment groups, especially those whose focus is Antiquity or the Middle Ages, commonly use mail both as practical armour and for costuming.

Many thousands of dissidents, deserters, or other people were arrested, tortured or executed by various Cheka groups.

Many groups sprang up independently of CND, some affiliating later.

Many of the existence proofs and some of the uniqueness proofs for the sporadic groups originally used computer calculations, most of which have since been replaced by shorter hand proofs.

Many groups that were popular during the disco period subsequently struggled to maintain their success — even those that tried to adapt to evolving musical tastes.

Many of the Essene groups appear to have been celibate, but Josephus speaks also of another " order of Essenes " that observed the practice of being engaged for three years and then becoming married.

Many flame wars have been fought between groups insisting that their editor of choice is the paragon of editing perfection, and insulting the others.

Many Muslims object to the use of the term when referring to Islamist groups, and oppose being placed in the same category as Christian fundamentalists, whom they see as theologically incomplete.

Many birds in other families are also commonly called " finches ", including some species in the very similar-looking waxbills or estrildid finches ( family Passeridae, subfamily Estrildinae ) of the Old World tropics and Australia ; several groups of the bunting and American sparrow family ( Emberizidae ); and Darwin's finches of the Galapagos islands, which provided evidence of natural selection and are now recognized to be peculiar tanagers ( Thraupidae ).

Many groups of Guatemalan exiles were armed and trained by the CIA, and commanded by Colonel Carlos Castillo Armas they invaded Guatemala on June 18, 1954.

* Compact groups or locally compact groups — Many of the results of finite group representation theory are proved by averaging over the group.

* Lie groups — Many important Lie groups are compact, so the results of compact representation theory apply to them.