This 2004 single showcases Tommy heavenly6's distinct transition into a more aggressive, gothic rock sound, a notable shift from her previous J-rock and pop-punk endeavors.
- The single was released by Sony Music Labels Inc. on May 26, 2004.
- "Hey My Friend" was Tommy heavenly6's third single release.
- The single was released in the alternative rock genre.
Tommy heavenly6 is the pop-punk alter ego of Tomoko Kawase, best known for her work in the alternative rock band The Brilliant Green. This 2004 single marked a stylistic departure into a more gothic and darker rock sound for the artist.
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