Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ...is largely 3-voice; there is a strong Dominant cadence in measure 14, which probably resolves the structure into a 2-Part Song-form (primary grade). The manipulation of this M. is extremely ingenious and instructive; unique rhythmic modifications, and the shifted rhythm, occur frequently; analyze carefully. Bach, Toccata for Clavichord in d minor, measures 15-32; M. 3 beats, in Alto. Bach, Fantasia con Imitazione, Peters ed. No. 216, Section II ( time); M. undergoes several modifications. Bach, Fantasia, Peters ed. 215, bottom of page 7 to page 10. Same volume, page 22, --first 4 measures introductory; M. in Alto, one measure. Bach, Fantasia, Peters ed. 1959, pages 94 to 97, --first 14 measures introductory. Same volume, pages 99-100 (C time). Mendelssohn, Var. sirieuses, op. 54, Var. 10. Bach, Organ Comp. (Peters compl. ed.), Vol. VIII, No. 8; independent Bass (par. 73). EXERCISE 23. A. Write a 4-voice Invention, in brief sectional form, in minor; with an original Motive, patterned after those shown in Ex. 121. Especial reference must be made to par. 64 (Leading part); Ex. 122, Note 4) (sustained parts); par. 6d (Ties); par. 63 b, c (Rests). The Imitation in Augmentation, and also in Diminution (par. 31 a, i), are both available in 4-voice texture, and must not be neglected. B. A 4-voice Invention, sectional form, in major. Other Structural Designs. 79. Besides those in sectional form, occasional examples of the 4voice Invention are found in the 2-Part or 3-Part Song-form. For example, see--Bach, Air with 30 Variations (Clav.), Var. 4; M. of 3 notes, Soprano part; first Imitations in alternate original and contrary motion (compare par. 73a); definite 2Part Song-form. Same work, Var. 22; M. of 2 measures, first announced in Tenor, after 1.