"I Heard a Voice" is a song by the American singer-songwriter Katy Perry. It features themes of self-discovery and empowerment, encouraging listeners to trust their inner voice and instincts. The song combines pop elements with emotional lyrics, creating an uplifting atmosphere. The track is part of Katy Perry's broader discography, which often explores personal growth and resilience. Known for her catchy melodies and relatable messages, Katy Perry has garnered a large following, making her one of the prominent figures in contemporary pop music.