Possible Clues:

• *Sea captain's final order
• Source of cruise music?
• Titanic orchestra playing to order?
• Frightening order for a sea-going orchestra
• One's sunk if one misses this last order!
• Go overboard when trendy group's playing inside
• Avoid that sinking feeling?
• A group's trendy, going round playing in desert
• What played as Titanic sank? And what it didn't do
• Nautical musicians get into lifeboats