Here is the full list of all 14 Chorus of the Night achievements.
Complete your first run
Successfully survive the night
Defeat a total of 1000 enemies across all runs
Defeat a total of 10,000 enemies across all runs
Defeat a total of 20,000 enemies across all runs
Survive for a total of 60 minutes across all runs
Survive for a total of 5hrs across all runs
Survive for a total of 10hrs across all runs
Collect a total of 500 music sheets
Collect a total of 1000 music sheets
Collect a total of 5000 music sheets
Reach level 20
Reach level 30
Successfully survive the night in Mosh Pit mode