"Alpha-152" is a music track that appeared in Dead or Alive 4 and Dead or Alive Dimensions as the character theme for Alpha-152 and the final boss theme in Dead or Alive 4.
The theme later appeared in Dead or Alive 5 as the first stage theme for Depth. The theme is also optional in the Music Mode in Dead or Alive 5+ and Dead or Alive 5 Ultimate, and can be selectable for any character and gameplay mode.