Sword-Singer is a medium armor set. The 5-piece set bonus adds 450 Weapon Damage to your Two Handed abilities.
Sword-Singer is part of the base game and drops in the Alik'r Desert in the Overland content. You can also find it on Guild Traders. Each set item is bound on equip. You can acquire medium armor, jewelry and weapons for this set in the Redguard motif style.
Note: The set only drops Two Handed weapons.