The Song of Resonance is one of Lost Ark Gold the most crucial unlocks to explore. The game describes it as opening "hidden spaces," and certain collectibles cannot be obtained without the ability to sing. It's also used in NPC Rapports and quests.

It is believed that the Song of Resonance can only be bought from a particular NPC named Treasure Hunter Igran. He's located on the Deck Ship from Pleccia island located in the Sea of Gienah. It's to the west of Anikka.

When you're there, go to the southeast to the Deck Ship and talk to the Treasure Hunter Igran. He'll give you items to purchase in exchange in exchange for Pirate coins, including an item called the Song of Resonance.

It'll cost you around 16,500 Pirate coins, meaning you'll likely need to do some work before you can get it. If you don't have enough look through your inventory for Coin Chests. Opening those gives you the chance to earn various types of Coins which can be exchanged to Pirate Coins. It is as simple as talking to Traveling Merchants in ports. Or, you could use the normal methods of gaining more, such as quests or daily diaries.

Once you're there head toward Lost ark gold buy the southeast towards on the Deck Ship and talk to the Treasure Hunter Igran. He'll sell you things in exchange for Pirate coins, which includes an item called the Song of Resonance.