"Playa Del Sol" is a track from the Dead Or Alive Xtreme 3 Soundtrack. It is used as Kasumi's theme in both this game and in Dead or Alive Xtreme Venus Vacation.
This track returned in Dead Or Alive 6 in the "Vacation to Paradise BGM" DLC, and can be selected in DOA Central as an optional character/stage theme.
The Previous track is Like the Blue Sky.
The Next track is Beautiful Sunset.
Kasumi - Dead or Alive Xtreme 3 -OST-
Playa Del Sol