The muscular apparatus of the voice is generally regarded as being limited to the so-called intrinsic muscles of the larynx and the extrinsic musculature attaching to the larynx. The muscles of respiration are regarded as but secondarily involved in vocalization. The exact modus operandi of both mechanisms, in singing and speaking, has been an obscure matter.
However true it may be that singing and speaking are matters of art, and that each person must attain for himself that technic which will give the best results, it seems obvious that a knowledge of certain fundamentals is requisite for proper training and instruction in order to eliminate, as far as possible, the "hit and miss" element in voice training.
In the matter of the proper mode of breathing, for instance, there appears to be a considerable diversity of opinion and but little knowledge and experimental data. The lack of information regarding the