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In geology, a rock composed of different minerals may be a compositional data point in a sample of rocks; a rock of which 10% is the first mineral, 30% is the second, and the remaining 60% is the third would correspond to the triple [0.1, 0.3, 0.6]. A data set would contain one such triple for each rock in a sample of rocks.
Since the invention of sound recording, a classical piece or popular song may exist as a recording.If music is composed before being performed, music can be performed from memory (the norm for instrumental soloists in concerto performances and singers in opera shows and art song recitals), by reading written musical notation (the norm in large ensembles, such as orchestras, concert bands and ...
He instead advocated for a process of clearing samples on a musicological basis, by identifying how much of the composition the sample comprises. [53] According to Fact, early hip hop sampling was governed by "unspoken" rules forbidding the sampling of recent records, reissues, other hip hop records or non-vinyl sources, among other ...
In music, form refers to the structure of a musical composition or performance.In his book, Worlds of Music, Jeff Todd Titon suggests that a number of organizational elements may determine the formal structure of a piece of music, such as "the arrangement of musical units of rhythm, melody, and/or harmony that show repetition or variation, the arrangement of the instruments (as in the order of ...
Elemental analysis is a process where a sample of some material (e.g., soil, waste or drinking water, bodily fluids, minerals, chemical compounds) is analyzed for its elemental and sometimes isotopic composition.
The composition of a picture is different from its subject (what is depicted), whether a moment from a story, a person or a place. Many subjects, for example Saint George and the Dragon , are often portrayed in art, but using a great range of compositions even though the two figures are typically the only ones shown.
Handel's earliest datable composition. In Chrysander's "G. F. Handel's Werke" this piece referred to as Op. 2 No 2 388 B-flat major c. 1717–1718 1733 Opus 2 No. 3 In Chrysander's "G. F. Handel's Werke" this piece referred to as Op. 2 No 4. The finale appears in the overture to Athalia (HWV 52) 389 F major c. 1718–1722 1733 Opus 2 No. 4
The law of definite proportion was given by Joseph Proust in 1797. [2]I shall conclude by deducing from these experiments the principle I have established at the commencement of this memoir, viz. that iron like many other metals is subject to the law of nature which presides at every true combination, that is to say, that it unites with two constant proportions of oxygen.