The Anthem Corps is a 2nd-tier class introduced in Valkyria Chronicles 2. They can be promoted from Engineers as a branch of the Engineer Class Tree. They carry musical instruments to motivate allies to perform beyond their ability. This is best used before an attack.
Gallian Anthem Corps
Anthem corps did not appear in Valkyria Chronicles.
Valkyria Chronicles 2
Valkyria Chronicles 3
In Valkyria Chronicles 3, the role of anthem corps and its two branching classes are assimilated into the engineer class. Engineers are now capable of equipping instruments when they class up to engineer elites.
GRA Anthem Corps
The GRA have no known Anthem Corps.