Chapter IV

.--Composition of the orchestra

Different ways of orchestrating the same music 97 Full _Tutti_ 101 _Tutti_ in the wind 103 _Tutti pizzicato_ 103 _Tutti_ in one, two and three parts 104 _Soli_ in the strings 104 Limits of orchestral range 106 Transference of passages and phrases 107 Chords of different tone quality used alternately 108 Amplification and elimination of tone qualities 109 Repetition of phrases, imitation, echo 110 _Sforzando-piano_ and _piano-sforzando_ chords 111 Method of emphasising certain notes and chords 111 _Crescendo_ and _diminuendo_ 112 Diverging and converging progressions 113 Tone quality as a harmonic force. Harmonic basis 114 Artificial effects 116 Use of percussion instruments for rhythm and colour 117 Economy in orchestral colour 118

##