rhyme in iranian modern poem and his role in the harmony

music of the poem contain a collection of phonetic and vocal harmonies and music of rhyme and tonality.the various genre of musics in poem above a musical function have a deep function in supply of meanings.poets with a use of this various genre of music help to the transfer of there emotions, thoughts and meaning.in this connection the function of rhyme is dominant. rhyme as a music the end of distich have a significant role in the meaning.artistic usage of this attribute in poem have a affection in clarity an beauty of poems.with a this iranian modern poets,nima,shamlu,akhavan,gheysar aminpor and hoshange ebtehaj attend to this trait in his poems an affair as well as use a music in the support of emotions and poetic meanings.in the end we result that the modern iranain poets in compare of classic iranian poets specially in the free verse emphasize the music of words.