"Song Up in Her Head" is a country music song by Mindy Smith. The song tells the story of a woman who has a melody stuck in her mind, representing her emotions and experiences. It captures the struggle of trying to express feelings through music. The lyrics explore themes of creativity and the challenges of articulating one's thoughts. The song highlights the connection between personal experiences and artistic expression, showcasing how music can serve as a powerful outlet for emotions. Overall, it reflects the universal experience of grappling with inspiration and the desire to share one's story.