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The double dotting of the note will create the effect of a very short rest between it and the next note. When such a passage occurs at the same time as a triplet figure in another part, the dotted rhythm should be changed to conform to the triplet figure, as follows:

There are, however, occurrences in which the two figures should be played as written. The reader should refer to Dart's The Interpretation of Music and to Donington's The Interpretation of Early Music (both listed in the bibliography) for detailed information.

A rhythmic device often encountered in Baroque (and Classic) scores is the hemiola. It also is an often used twentieth-century composer's device that has its roots in early music but is frequently found in Baroque choral music. It is the sense of three replacing two. For example, becomes or becomes The latter example is often found and it will be unmarked. That is, no change in meter will be indicated. Conductors will identify the hemiola by the tied notes across the barline. Hemiola will generally be conducted in three to accurately reflect the rhythmic change.

As with Renaissance music, tempos of Baroque works should also be moderate. Extremely fast or slow tempos should be avoided. The rhythm is motorlike, constantly pulsing, and very steady. Broad rallentandos are anachronistic. The terms allegro, presto, vivace, etc., were used to indicate the character of the music more than a specific tempo. Occasionally the term largo is found at the last phrase of a work. This should generally be interpreted as being twice as slow as the previous tempo. Its use in this case is a means of emphasis at the final cadence. Composers also "built in" such changes of tempo by using notes of greater duration. The conductor does not need to apply a ritard to these passages since its effect already exists in the notation. An added ritard will increase the tempo change and distort the composer's intention.

The underlying constant pulsation, a vital part of Baroque music, must be maintained, keeping in mind that the melodic line should not be punched, but performed with lyric ease. The Pergolesi MAGNIFICAT(attributed, actual composer now acknowledged to be Durante), published by Walton Music Corporation, is an example of this type of writing. The melodic line is lyric and rides on top of the motorlike eighth notes in the accompaniment. Accompanying instruments should be played in a slightly detached manner, which in addition to contributing to the style, prevents the performers from rushing the tempo.

Texture

The independent line of polyphony gave way to the concept of a single melodic line supported by chords. This change coincided with an evolvement of the major and minor system rather than the modal system of the Renaissance. The modes continued to be used for some time but the major and minor harmonic structure became more and more important. Although polyphony was rejected by many composers in the early Baroque, it emerged as a new counterpoint, more dependent on the harmonic movement.

Accompanied and unaccompanied singing were both acceptable in the Baroque. Instruments were used when desired or where practical, but a cap-pella performances were equally acceptable. There are instances of composers writing a choral work with a figured bass, and also copying the work for a choral collection with only the choral parts given, leaving out an indication for accompaniment. When instrumental parts do not exist for a given work, one should not automatically assume that instruments were not used. Instruments may have doubled the voice parts, a part may have been improvised, or the parts may have simply been lost. For instance, there are numerous examples where instrumental parts have been discovered for works that were previously considered to a cappella, including Bach motets.

Modern instruments are constructed differently than those of the Baroque period; consequently, the tone of our present instruments is considerably different. In addition to the quality of sound, the balance of instruments and voices must be adjusted. A Baroque composer may have indicated a desire for sixteen voices and an equal number of instruments and would have been assured of an appropriate balance between the two groups. A conductor today that substitutes modern instruments and maintains the same number indicated above may find he has an inadequate number of voices. Even the most basic continuo part on a modern harpsichord and cello is noticeably different from that of an authentic harpsichord and gamba.

The soprano-bass polarity is important to the texture of music of this period. The soprano melody is supported by a strong bass line with many root movements. This can be demonstrated to a choir by having only these two parts sing. The strength of these parts will be apparent to the entire choir.

Variety was achieved by terraced dynamics, alternating instruments and voices, or by different combinations of voices and instruments. Dynamics changed at new sections and were usually constant during each section. Dynamic levels were moderate, staying between piano and forte. Excessive dynamics should generally be avoided.

Tone quality

Although a wider range of emotions is possible, and a warmer tone quality employed in Baroque music, singers must again be cautioned against a wide vibrato. A wide vibrato will impede the rhythmic drive and directness of the music.

Tone painting, passages that depict the meaning of the text, can be emphasized without removing them from the musical flow. One may color the voice to match the desired quality of the music, which in turn was written to depict the meaning of the words.

Composers of the baroque period

Giovanni Gabrieli (c. 1557-1612) JacopoPeri (1561-1633) Claudio Monteverdi (1567-1643) Michael Praetorius (c. 1571-1621) Heinrich Schutz (1585-1672) Johann Schein (1586-1630) Samuel Scheidt (1587-1684) Giacomo Carissimi (1605-1674) Jean-Baptiste Lully (1632-1687) Dietrich Buxtehude (c. 1637-1705) Johann Pachelbel (1653-1707) Giuseppe Pitoni (1657-1743) Henry Purcell (1659-1695) Alessandro Scarlatti (1659-1725) Antonio Lotti (1667-1740) Antonio Vivaldi (c. 1678-1741) Johann Sebastian Bach (1685-1750 Domenico Scarlatti (1685-1757) George Friedrich Handel (1685-1759) Giovanni Pergolesi (1710-1736)

Suggested works for study

Magnificat, Pergolesi, now attributed to Durante (Walton) Cantata, no. 142 (For Us a Child Is Born), Bach (Galaxy) Magnificat, Charpentier (Concordia, #97-6343) Nun Danket Alle Gott, Pachelbel (Robert King Music Co. #604)

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Source:  OpenStax, Choral techniques. OpenStax CNX. Mar 08, 2010 Download for free at http://cnx.org/content/col11191/1.1
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