Here is the full list of all 15 Brain Beats trophies - there are 5 silver, 9 gold and 1 platinum.
Complete all Trophies
Complete your first Relax Music
Complete your first Energetic music track
Complete your first Adrenalinic music track
Play your first Playlist
Reach 50 Combo in the same music track
Reach 100 Combo in the same music track
You’ve earned a “Very Good” score on a single music track
You’ve earned a “Perfect” score on a single music track
You’ve reached at least 1000 points on a single music track
Complete a single music track without ever hit a bomb
Hit 1000 spheres in total between play sessions
Hit 5000 spheres in total between play sessions
Hit 10000 spheres in total between game sessions
Complete the brain beats tutorial for the first time