Teleon

The (Teleon, テレオン^?, lit. "tereon") is basically a device similar to the real-world IC Recorders that can be used to record and play music. This is the preferred way of the singers in Ar Ciel to record and release their songs for sale.

As an example, Luca went on to become a famous singer and released several songs in Teleon after the events in Ar tonelico II: Melody of Metafalica, one of which, leat ptrapica., was created and given to Cocona and Sasha as a farewell present for their journey to Sol Cluster.