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Cover of the Edition Peters sheet music of "Lux aeterna" by György Ligeti. This is a list of online digital musical document libraries.Each source listed below offers access to collections of digitized music documents (typically originating from printed or manuscript musical sources).
In music theory, the key of a piece is the group of pitches, or scale, that forms the basis of a musical composition in Western classical music, art music, and pop music. Tonality (from "Tonic") or key: Music which uses the notes of a particular scale is said to be "in the key of" that scale or in the tonality of that scale. [1]
Node.js uses an event loop for concurrent I/O, instead of processes or threads. [59] In contrast to other event-driven servers, [which?] Node.js's event loop does not need to be called explicitly. Instead, callbacks are defined, and the server automatically enters the event loop at the end of the callback definition.
From 2007 to 2015, the IMSLP / Petrucci Music Library used a logo based on a score. The score image in the background was taken from the beginning of the first printed book of music, the Harmonice Musices Odhecaton. It was published in Venice, Italy in 1501 by Ottaviano Petrucci, the library's namesake. [5] [non-primary source needed]
The Choral Public Domain Library (CPDL), also known as the ChoralWiki, is an online database for choral and vocal music. Its contents primarily include sheet music in the public domain or otherwise freely available for printing and performing (such as via permission from the copyright holder).
Music Player Daemon (MPD) is a free and open-source music player server. It plays audio files, organizes playlists and maintains a music database. In order to interact with it, a client program is needed. The MPD distribution includes mpc, a simple command-line client. MPD is used in proprietary audio hardware.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.