In memory of RMS Titanic, which sank April 15th 1912.
See also my sonnet of 2014:
http://hellopoetry.com/poem/694219/the-ice-maiden/"Many brave things were done that night, but none were more brave than those done by men playing minute after minute as the ship settled quietly lower and lower in the sea. The music they played served alike as their own immortal requiem and their right to be recalled on the scrolls of undying fame." (Lawrence Beesley, Survivor, RMS Titanic, 1912).