Silent Verse

Silent Verse is a recurring ability in the Final Fantasy series. It is used by Bards via the Sing command, and inflicts Silence on enemies.

Final Fantasy IV
Silent Verse is used via the Sing/Bardsong command, and inflicts Silence on target enemies. Edward can use Silent Verse innately in all versions of the game, and in the DS and iOS versions, anyone with the Bardsong Augment can also use it.

Final Fantasy IV: The After Years
Edward can against use Silent Verse with his Sing command.

Final Fantasy Trading Card Game
One of Edward's cards, depicting his Amano artwork, can use the Song of Silence ability. The player chooses one Eidolon and voids its effect, for the cost of one Ice CP and discarding another Edward card.