If a whirlwind picks up Link on a screen containing a Boss Roar Sound Effect set by screen data, or any enemy that is set to make a boss roar sound effect while it's on the screen, the Boss Roar sound effect keeps playing until Link goes back to that screens, and walks off of it, or until he leaves the current DMap, or enters a cave.
NOTE: This only happens if:
1. The 'Whistle Whirlwind Returns Link to Start' Flag is enable for the DMap Link is currently on; or
2. He is sent back to start by an enemy whirlwind
The same thing also happens when Link is sent back to start by a whirlwind while on a screen with an Ocean Sound Effect set. It too continues to play until Links does one of the the three actions mentioned above.