A voice so thrilling ne er was heard In spring-time from the Cuckoo-bird These lines are from William Wordsworth s famous poem The Solitary Reaper In these lines the poet praises the Highland girl s song He compares it to one of nature s sweetest sounds the call of the cuckoo bird in spring The poet says that he has never heard any voice as thrilling and beautiful as the girl s song not even the joyful cry of the cuckoo bird The cuckoo is known as a bird that sings in spring Its song brings freshness and hope to nature But here the poet feels that the girl s voice is even more powerful than that natural music The word thrilling means full of emotion and deep feeling The reaper s song moves the poet s heart in a way that no bird s song ever could It touches