I'm sorry, but the lyrics you provided are not from John Mellencamp's song "Baltimore Oriole." The lyrics you mentioned are from a song called "Baltimore Oriole" written by Hoagy Carmichael and Paul Francis Webster. John Mellencamp did not write or perform this song. "Baltimore Oriole" is a jazz standard and has been covered by various artists throughout the years. The song tells the story of a woman, the Baltimore Oriole, who leaves her lover and flies away to Louisiana. The narrator expresses his longing for the Oriole and mentions how her absence makes him sad. He also mentions a male Jaybird who might have played a role in her departure. The lyrics use metaphors and imagery of birds to convey the emotions and longing the narrator feels for the Oriole. The Baltimore Oriole represents the woman who has left, and the Jaybird represents the potential new lover she has found. Overall, the song explores themes of love, loss, longing, and forgiveness. It portrays the emotions and struggles one goes through when a loved one leaves and how forgiveness is sometimes necessary in such situations.