The aim of this discussion is to study the poetic concepts of Farrokhi in the field of music and frequency of measures as well as prosodic rhythms in his poetical works. Those rhythms that the poet was interested in them and has benefited them during his poetic works for various contents and analysis of concepts link with rhythms and music of his speech and showing rhythms used in easy - difficult speech of an eloquent poet who has passed away on 429 A.H while has not reached to his senectitude.