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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 ...
In some choral works, the conductor may signal to a pianist or organist to play a note or chord so that the choir members can determine their starting notes. Then the conductor gives one or more preparatory beats to commence the music. The preparatory beat before the orchestra or choir begins is the upbeat.
The smallest pitch difference between notes (in most Western music) (e.g. F–F ♯) (Note: some contemporary music, non-Western music, and blues and jazz uses microtonal divisions smaller than a semitone) semplice Simple sempre Always sentimento Feeling, emotion sentito lit. "felt", with expression senza Without senza misura Without measure ...
Notes in it include a prime symbol below the note's letter. Names of subsequent lower octaves are preceded with "sub". Notes in each include an additional prime symbol below the note's letter. The octave starting at tenor C is called the "small" octave. Notes in it are written as lower case letters, so tenor C itself is written c in Helmholtz ...
By convention, it's the direction from North to South magnetic pole. Then the second finger represents the direction of the induced or generated current within the conductor (from + to −, the terminal with lower electric potential to the terminal with higher electric potential, as in a voltage source)
Music alignment and related synchronization tasks have been studied extensively within the field of music information retrieval. In the following, we give some pointers to related tasks. Depending upon the respective types of music representations, one can distinguish between various synchronization scenarios.
In classical electromagnetism electrons move in the opposite direction of the current I (by convention "current" describes a theoretical "hole flow"). In some metals and semiconductors it appears "holes" are actually flowing because the direction of the voltage is opposite to the derivation below. Hall effect measurement setup for electrons.
By combining the Lorentz force law above with the definition of electric current, the following equation results, in the case of a straight stationary wire in a homogeneous field: [30] =, where ℓ is a vector whose magnitude is the length of the wire, and whose direction is along the wire, aligned with the direction of the conventional current I.