Here is the full list of all 29 AereA trophies - there are 15 bronze, 6 silver, 7 gold and 1 platinum.
Retrieve the Lyre
Reach level 10 with any class
Use a skill 100 times or more
Complete a sidequest
Freeze an enemy
Poison an enemy
Burn an enemy
Retrieve the Bagpipes
Complete the prologue
Revive a party member
Play with 2-4 players
You are the true Grand Meastro
Retrieve the Harp
Retrieve the Accordion
Retrieve the Sousaphone
Retrieve the Bell
Retrieve the Violin
Retrieve the Drum
Retrieve the Baton
Reach level 30 with any class
Reach level 50 with any class
Buy all skills from all classes
Upgrade all skills from all classes to level 3
Collect all shop books
Hold 5.000 Clefines in your inventory
Hold 10.000 Clefines in your inventory
Hold 25.000 Clefines in your inventory
Complete 50% of all sidequests
Complete all sidequests