 They appeared in the second book of the Junior Jedi Knights series.Melodies are hatched from eggs, then live on land for a short time during their youth, and at a certain age, Melodies undergo a ritual called a Changing Ceremony, in which they change forms that will no longer enable them to live on land.When Exar Kun imprisoned the Massassi children on Yavin 4 during his reign in 3,997 BBY (Before the Battle of Yavin), the parents of the Massassi children went to Yavin 8 and met the Melodie children, whom they asked for help.