Here is the full list of all 37 Songbringer achievements.
Gain the power to meditate during battle.
Complete the Trial of Ren.
Complete the game with 100 percent items.
Complete the game with any percentage of items.
Complete the game with 100 percent map.
Kill every kind of enemy at least once.
Interact with every NPC.
Finish the ninth dungeon.
Speak friend and enter.
Finish the eighth dungeon.
Finish the fifth dungeon.
Finish the sixth dungeon.
Finish the seventh dungeon.
Finish the fourth dungeon.
Open a secret wall.
Finish the third dungeon.
Meditate or use a cactus to find a secret.
Finish the first dungeon.
Have less than 1 courage after vanquishing a boss.
Buy an item from a store.
Combine two items at the Droidsmith.
Play the game at 11:11 AM or PM
Finish the second dungeon.
Walk a secret path.
Kill four or more enemies at once.
Enter any dungeon.
Perform 50 charge attacks.
Wield the nanosword.
Complete the game in permadeath mode.
Complete the game in under 2.5 hours.
Complete the game without the sword.
Unlock all achievements.
Clear an easy dungeon of all enemies.
Clear a difficult dungeon of all enemies.
Complete the game without buying any items.
Craft the Hyper Boots.
Craft the Flamethrower.