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