Philosophy of vocal culture : a textbook of vocal training and preparation for song interpretation . Fig. Central Note of Voice, Horizontal Axib. Fig. 18.

---

Size: 1506px × 1660px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectsinging, bookyear1900