The Galactic Lullaby - S1.E34

It's time for our showdown, Lafresia."The Arcadia is trapped due to an artificial gravity device. However, they escape and protect Mayu from the Mazone base. However, she is suffering from post-traumatic stress disorder after being held captive for so long, and if she stops playing her ocarina, she goes into terrible bouts of terror. Worried that she'll die at this rate, Harlock turns to the main central computer which harbors her father, Tochiro's soul, in order to save her. Finally, after the computer plays her a lullaby, she is able to go to sleep.