Here is the full list of all 19 Harmonix Music VR trophies - there are 19 bronze.
Played a song in each of the 4 worlds.
Didn't trigger a single visualization for an entire song in The Beach.
Used all of the brush tools in The Easel.
Saved and loaded a creation in The Easel.
Fired the party cannon 50 times in a single song.
Scored 99 points in a single song in Dance Party.
Flung a Dance Party character into the cold void.
Hit the airhorn 20 times in a single song.
Made and completed a playlist of 9 songs or more.
Played ten songs in The Trip.
Barely moved your head for an entire song in The Trip.
Played the same song twice in a row.
Placed 100 objects in The Easel.
Played an imported song.
Found the jellyfish.
Spent over a minute in a single visualization in The Beach.
Looked behind you in The Trip
Activated all 10 visualization objects in the Beach.
Scratched the record for 5 seconds straight in the Dance Party DJ booth.