H (pronounced Ha) is the German name for B natural, B flat being called by them B. It was originally ‘B quadratum,
’ or , a letter which would easily slip by degrees into or h. [See Accidentals, 19a.] In solfaing it is Si.
H major is a key rarely used. Beethoven's principal movement in it is the Adagio of the P. F. concerto in E flat. H minor is the key of Schubert's very fine unfinished Symphony,...