The Cradle of the Lost Chords
From Tardis Wiki, the free Doctor Who reference
"The Cradle of the Lost Chords" was the name of a song played by the Shansheeth. The Claw Shansheeth played it on their instruments. They wanted Sarah Jane Smith and Jo Grant to remember their adventures with the Doctor. (TV: Death of the Doctor [+]Loading...["Death of the Doctor (TV story)"])