Conducting is the art of directing a musical performance, such as an orchestral or choral concert. It has been defined as "the art of directing the simultaneous performance of several players or singers by the use of gesture."[1] The primary duties of the conductor are to interpret the score in a way that reflects the specific indications in that score, set the tempo, ensure correct entries by ensemble members, and "shape" the phrasing where appropriate.[2] Conductors communicate with their musicians primarily through hand gestures, usually with the aid of a baton, and may use other gestures or signals such as facial expression and eye contact.[3] A conductor usually supplements their direction with verbal instructions to their musicians in rehearsal.[3]
The conductor typically stands on a raised podium with a large music stand for the full score, which contains the musical notation for all the instruments or voices. Since the mid-19th century, most conductors have not played an instrument when conducting, although in earlier periods of classical music history, leading an ensemble while playing an instrument was common. In Baroque music, the group would typically be led by the harpsichordist or first violinist (concertmaster), an approach that in modern times has been revived by several music directors for music from this period. Conducting while playing a piano or synthesizer may also be done with musical theatre pit orchestras. Communication is typically mostly non-verbal during a performance. However, in rehearsals, frequent interruptions allow the conductor to give verbal directions as to how the music should be played or sung.
Conductors act as guides to the orchestras or choirs they conduct. They choose the works to be performed and study their scores, to which they may make certain adjustments (such as in tempo, articulation, phrasing, repetitions of sections), work out their interpretation, and relay their vision to the performers. They may also attend to organizational matters, such as scheduling rehearsals,[4] planning a concert season, hearing auditions and selecting members, and promoting their ensemble in the media. Orchestras, choirs, concert bands, and other sizable musical ensembles, such as big bands are usually led by conductors.
The principal conductor of an orchestra or opera company is referred to as a music director or chief conductor, or by the German words Kapellmeister or Dirigent (in the feminine, Dirigentin). Conductors of choirs or choruses are sometimes referred to as choral director, chorus master, or choirmaster, particularly for choirs associated with an orchestra. Conductors of concert bands, military bands, marching bands and other bands may hold the title of band director, bandmaster, or drum major. Respected senior conductors are sometimes referred to by the Italian word maestro (feminine, maestra), which translates as "master" or "teacher".[5]
In instrumental music throughout the 18th century, a member of the ensemble usually acted as the conductor. This was sometimes the concertmaster, who could use his bow as a baton, or a lutenist who would move the neck of his instrument in time with the beat. It was common to conduct from the harpsichord in pieces that had a basso continuo part. In opera performances, there were sometimes two conductors, with the keyboard player in charge of the singers while the principal violinist or leader was in charge of the orchestra.[citation needed]
Bülow raised the technical standards of conducting to an unprecedented level through such innovations as separate, detailed rehearsals of different sections of the orchestra ("sectional rehearsal"). In his posts as head of (sequentially) the Bavarian State Opera, Meiningen Court Orchestra, and Berlin Philharmonic he brought a level of nuance and subtlety to orchestral performance previously heard only in solo instrumental playing, and in doing so made a profound impression on young artists like Richard Strauss, who at age 20 served as his assistant, and Felix Weingartner, who came to disapprove of his interpretations but was deeply impressed by his orchestral standards. Composer Gustav Mahler was also a noted conductor.
Conducting is a means of communicating artistic directions to performers during a performance. Although there are many formal rules on how to conduct correctly, others are subjective, and a wide variety of different conducting styles exist depending upon the training and sophistication of the conductor. The primary responsibilities of the conductor are to unify performers, set the tempo, execute clear preparations and beats, listen critically and shape the sound of the ensemble, and control the interpretation and pacing of the music. Communication is non-verbal during a performance; however, in rehearsal frequent interruptions allow directions as to how the music should be played. During rehearsals the conductor may stop the playing of a piece to request changes in the phrasing or request a change in the timbre of a certain section. In amateur orchestras, the rehearsals are often stopped to draw the musicians' attentions to performance errors or transposition mistakes.
Conducting requires an understanding of the elements of musical expression (tempo, dynamics, articulation) and the ability to communicate them effectively to an ensemble. The ability to communicate nuances of phrasing and expression through gestures is also beneficial. Conducting gestures are preferably prepared beforehand by the conductor while studying the score but may sometimes be spontaneous. A distinction is sometimes made between orchestral conducting and choral conducting. Typically, orchestral conductors use a baton more often than choral conductors. The grip of the baton varies from conductor to conductor.
At the beginning of a piece of music, the conductor raises their hands (or hand if they only use a single hand) to indicate that the piece is about to begin. This is a signal for the orchestra members to ready their instruments to be played or for the choristers to be ready and watching. The conductor then looks at the different sections of the orchestra (winds, strings, etc.) or choir to ensure that all the orchestra members are ready to play and choir members are ready. 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 beat of the music is typically indicated with the conductor's right hand, with or without a baton. The hand traces a shape in the air in every bar (measure) depending on the time signature, indicating each beat with a change from downward to upward motion.[16] The images show the most common beat patterns, as seen from the conductor's point of view.[17]
If the tempo is slow or slowing, or if the time signature is compound, a conductor will sometimes indicate "subdivisions" of the beats. The conductor can do this by adding a smaller movement in the same direction as the movement for the beat that it belongs to.
Changes to the tempo are indicated by changing the speed of the beat. To carry out and to control a rallentando (slowing down the pace of the music), a conductor may introduce beat subdivisions. While some conductors use both hands to indicate the beat, with the left hand mirroring the right, formal education discourages such an approach. The second hand can be used for cueing the entrances of individual players or sections and to aid indications of dynamics, phrasing, expression, and other elements.
During an instrumental solo section (or, in an opera orchestra during a vocalist's unaccompanied solo), some conductors stop counting out all the subdivisions and simply tap the baton down once per bar, to aid performers who are counting bars of rests.
The indication of entries, when a performer or section should begin playing (perhaps after a long period of rests), is called "cueing". A cue must forecast with certainty the exact moment of the coming ictus, so that all the players or singers affected by the cue can begin playing simultaneously. Cueing is most important for cases where a performer or section has not been playing for a lengthy time. Cueing is also helpful in the case of a pedal point with string players, when a section has been playing the pedal point for a lengthy period; a cue is important to indicate when they should change to a new note. Cueing is achieved by "engaging" the players before their entry (by looking at them) and executing a clear preparation gesture, often directed toward the specific players. An inhalation, which may or may not be an audible "sniff" from the conductor, is a common element in the cueing technique of some conductors. Mere eye contact or a look in the general direction of the players may be sufficient in many instances, as when more than one section of the ensemble enters at the same time. Larger musical events may warrant the use of a larger or more emphatic cue designed to encourage emotion and energy.
Articulation may be indicated by the character of the ictus, ranging from short and sharp for staccato, to long and fluid for legato. Many conductors change the tension of the hands: strained muscles and rigid movements may correspond to marcato, while relaxed hands and soft movements may correspond to legato or espressivo. Phrasing may be indicated by wide overhead arcs or by a smooth hand motion either forwards or side-to-side. A held note is often indicated by a hand held flat with palm up. The end of a note, called a "cutoff" or "release", may be indicated by a circular motion, the closing of the palm, or the pinching of finger and thumb. A release is usually preceded by a preparation and concluded with a complete stillness.
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