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Metronome mark This notation is used to precisely define the tempo of the music by assigning an absolute duration to each beat. This example indicates a tempo of 120 quarter notes (crotchets) per minute. Many publishers precede the marking with letters "M.M.", referring to Maelzel's Metronome. This is a tempo marking, not a time signature—it ...
A mechanical metronome does not need an electric battery, but runs from a spring-wound clockwork escapement. [1] For uniform beats, the metronome should be placed on a hard, level, unmoving surface, and away from any strong magnets. Small variations in pendulum speed can also result from differences in temperature, air pressure, or gravity. [9]
Composers may use expressive marks to adjust the tempo: Accelerando – speeding up (abbreviation: accel.); the opposite of ritardando. It is defined by gradually increasing the tempo until the next tempo mark is noted. It is either marked by a dashed line or simply its abbreviation. Affrettando – speeding up with a suggestion of anxiety [24]
A rehearsal letter, sometimes referred to as rehearsal marks, [1] [2] rehearsal figures, [3] or rehearsal numbers, is a boldface letter of the alphabet in an orchestral score, and its corresponding parts, that provides the conductor, who typically leads rehearsals, with a convenient spot to tell the orchestra to begin at places other than the start of movements or pieces.
The following is the chart of the International Phonetic Alphabet, a standardized system of phonetic symbols devised and maintained by the International Phonetic Association. It is not a complete list of all possible speech sounds in the world's languages, only those about which stand-alone articles exist in this encyclopedia.
Hymn-style arrangement of "Adeste Fideles" in standard two-staff format (bass staff and treble staff) for mixed voices Tibetan musical score from the 19th century. Sheet music is a handwritten or printed form of musical notation that uses musical symbols to indicate the pitches, rhythms, or chords of a song or instrumental musical piece.
This is a list of musical compositions or pieces of music that have unusual time signatures. "Unusual" is here defined to be any time signature other than simple time signatures with top numerals of 2, 3, or 4 and bottom numerals of 2, 4, or 8, and compound time signatures with top numerals of 6, 9, or 12 and bottom numerals 4, 8, or 16.
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