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3. jazz bands: instrumentation varies
a. reed section: saxophones, clarinet
b. brass section: trumpets and trombones
c. rhythm section: percussion, piano, double
bass, and electric guitar
4. rock bands: amplified guitars, percussion, and
synthesizers
V. The Role of the Conductor
A. Group leader for larger ensembles
1. interprets music; decides tempo, dynamics
2. keeps performers together
3. conducting patterns: show emphasis of strong beats
4. rehearses ensembles in practice sessions
5. baton: stick used to beat standard metric patterns
B. Concertmaster: first- chair violinist
1. decides uniform bowing
VI. The Orchestra in Action
A. Benjamin Britten: Young Person’s Guide to the
Orchestra
1. illustrates instrument timbres
2. subtitled Variations and Fugue on a Theme of
Purcell
3. based on Henry Purcell (1659–1695) dance tune
4. closes with a grand fugue
a. polyphonic form, Baroque era (1600–1750)
B. LG 1 Benjamin Britten: The Young Person’s Guide
to the Orchestra (1946)
1. Part I: Theme; broad, slow triple meter, minor
tonality
a. instrument families as a group
b. stated six times: 1. full orchestra, 2–5.
instrument families, 6. full orchestra
2. Part II: 13 short variations
a. illustrate dif fer ent instrument timbres
b. vari ous instrument combinations
OUTLINE
I. Choral Groups, Sung Music
A. Homogenous sound
1. chorus: large body of singers
2. choir: smaller group of singers
3. soprano, alto, tenor, bass (SATB)
4. a cappella: unaccompanied singers
5. madrigal choir, chamber choir: smaller,
specialized ensembles
II. Chamber Ensembles
A. Chamber music: two to twelve players, one player
per part
1. string quartet: two violins, viola, cello
2. duo sonata: soloist with piano
3. piano trio, quartet and quintet: piano and string
instruments
4. string quintet, sextet, septet, octet
5. woodwind and brass quintets
III. The Orchestra
A. Heterogeneous performing body, diverse
instruments
1. gamelan orchestra: Balinese and Javanese
a. gongs, xylophone- like instruments, and drums
2. symphony orchestra: Western ensemble
a. strings, woodwinds, brass, and percussion
b. over 100 musicians
c. strings: “heart” of the orchestra
IV. Wind, Jazz, and Rock Bands
A. Band: American institution; winds and percussion
at core
1. concert band (wind ensemble): 40 to 80 players
2. marching band: sporting events, parades
a. military origins: drum majors or majorettes,
ags, and ries
CHAPTERfi11 Musical Ensembles