Information about D 7

The seventh octave is the last octave at the top of a piano.

Using middle C (C4) as a guide, the next higher C is C5 or tenor C. The next C is C6 or soprano high C. The next C, C7 or double high C, is again one octave higher.
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D-7 is a song by the early punk rock band the Wipers appearing on their 1979 debut record Is This Real?.

The song was later covered, perhaps more famously, by the seminal US grunge group Nirvana for The Wipers tribute album
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Object Pascal is an object oriented derivative of Pascal mostly known as the primary programming language of Borland Delphi. It is also known as the Delphi programming language when describing the dialect used by Borland Delphi.
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chord (from Greek χορδή: gut, string) is three or more different notes that sound simultaneously. Most often, in European-influenced music, chords are tertian sonorities that can be constructed as stacks of thirds relative to some underlying scale.
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Bird of Prey was first seen in the movie . This has become perhaps the most common Klingon ship design in modern Star Trek. It is much smaller than the D7 and K't'inga class cruisers, Standard crew complement is a dozen officers and men (stated by Hikaru Sulu in STIII).
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Dice (the plural of die, from Old French dé, from Latin datum "something given or played" [1] ) are small polyhedral objects, usually cubical, used for generating random numbers or other symbols.
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Digital Video (DV) is a digital video format launched in 1994, and, in its smaller tape form factor MiniDV, has since become a standard for home and semiprofessional video production; it is sometimes used for professional purposes as well, such as filmmaking and electronic
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