The poem called "Ver" or "Spring" is sung at the end of the play "Love's Labour's Lost" by William Shakespeare. "Love's Labour's Lost" is one of Shakespeare's early comedies believed to have been written in the mid-1590s. The play concludes with the characters performing a masque or entertainment, and at the end of the masque, the poem "Ver" is sung, celebrating the arrival of spring and the renewal of nature. The song reflects the overall theme of love and the passing of time in the play.