NTH Learning Inc

Music Theory: A simple, easy to understand program for introductory music theory. Complete with rand

这是一个作诗赋词的工具， 可以用来检查平仄，也可以查韵。平水韵和中华新韵是用来作诗的。词林正韵是用来赋词的。

A simple app trains ears with intervals and common chords which are building blocks of music. Easy t