A Dictionary of Music and Musicians/Sol

by George Grove

SOL. The fifth note of the natural scale according to the nomenclature of France and Italy; in English and German G. In the old hymn from which Guido is supposed to have formed the scale it occurs as follows:—

Ut queant laxis resonare fibris,
Mira gestorum famuli tuorum,
Solve pollutis labia reatis.

The number of double vibrations to produce sol (treble G) is—Paris normal pitch, 391.5; London 'Philharmonic pitch,' 405.

[ G. ]