Music of poetry is one of the best characteristics, that intrinsically denote the value and significance of the poem. Indeed, it is the music of poetry that, while making the poetry attractive to the ears, is a way of making it pleasant in order to convey the concept and the purpose lying in the core of the speech faster to the given destination and intention. The external music of the poem which gives rise to the music of the speech and causes its beauty is the very prosodic rhythm that is based on the length of the syllables and stresses.Naziri Neyshabouri's divan (book of poems) is considerable in terms of the external music and the variety and variation of the prosodic rhythms employed. In Naziri Neyshabouri's divan there exist 564 ghazals (lyric poems), 42 qasidas (ballads), 3 ghat'es (stanzas), 10 composites and refrains, and 141 rubais (quatrains), total of which becomes 760 poetic Pieces. The poet has made use of 9 meters and 37 rhythms throughout the divan: 275 cases in the Hazaj meter including 128 ghazals, 3 qasidas, 2 composites, 1 ghat'e and 141 rubais, 186 cases in the Ramal meter consisting of 174 ghazals, 9 qasidas, 3 composites, 134 cases in the Mojtas meter comprised of 115 ghazals, 18 qasidas, 1 ghat'e, 111 cases in the Mozar'e Meter including 100 ghazals, 7 qasidas, 4 composites, 29 cases in the Khafif meter comprised of 25 ghazals, 3 qasidas, 1 composite, 16 cases in the Rajaz meter consisting of 15 ghazals, 1 qasida, 6 cases in Monsarah meter containing 5 qasidas, 1 ghazal, 3 cases in the Sar'i meter including 2 ghazals, 1 ghat'e, 3 cases in the Motaghareb meter consisting of 2 ghazals, 1 ghat'e.