Carsie Blanton needed to say farewell to her guitar. The singer-songwriter was somewhere in the eastern Mediterranean sea on a sailboat last week when the 10-person crew decided to play some music. They passed around the guitar, sang a song or two, including Blanton’s “ Little Flame ” (sample lyric: “Prison cells/Freedom Rides/Keep the little flame alive”), then decided to give Blanton’s instrument a proper burial at sea. The reason? Blanton’s boat, part of a 40-plus-ship, nearly 500-person