1.2 Rubies
First page
All of the rubies in the first page is spent on necessary passives. Although there are passives that increases quality of life they're not taken for the simple fact that damage and survivability is more important. However there will be a few exceptions to this paradigm.
9% increase in vigor should be a no-brainer to pick.
Tunes of chaos is one of the passives that allows for multiple tempos to be gained at once. It also scales with Critical Damage which will be considered in the stat distribution.
Brutality, like vigor, is an important stat to have and as such is a no-brainer to choose.
Improvisation is the second passive that allows for multiple tempos to be gained at once.
Increased critical damage is useful for any dps, as long as they deal critical strikes of course.
Omens of death. A great passive which is applied to the enemy after an etude has been used on them. It increases the damage and critical damage of Disharmony.
Tunes of Destruction increases physical damage which means Disharmony and Solo gains more damage.
Raw damage increase is never something to scoff at. 14% is pretty neat but not something you necessarily need as soon as possible. If you don't have the rubies you should wait before spending them on this passive.
Sonata is a great mass purify that can and probably will come in handy.
Dynamic Performance is the one case where quality of life is worth it. One point in this passive allows you to move with Ghost Shield which is amazing. Definitely something to invest in if you feel you can't stand still.
Second page
Similar to the first page this page also only take the important passives and neglect the less useful ones.
Primo allows Solo to stack up to 3 in one use which incidentally allows us to cast all necessary etudes in the rotation whilst only casting Solo once. Great.
Requiem is our go to area of effect ability and with Funeral Lament we can increase the efficacy of Requiem and gain 2 more stacks of the effect at the same time.
Dagger Waltz is a fantastic combination with Requiem and dancing Blade. It gives you a stack of an effect that increases Dancing Blades damage anytime you use a chord(Disharmony). It stacks up to three times which works well with Requiem.
Since Flying Blade is the last ability used in the rotation why not give it a damage over time effect as compensation?
The primary effect is pretty much useless to us. However it does decrease damage taken which is nice. Since it's a niche passive I elected to take one point from it and put it into Dynamic Performance.
Deadly notes is another great damage increase. All your etudes deal more damage and now also only deal disease damage.
High Frequencies increases the Natural Damage dealt, which means even more damage to etudes.
Dance of Passion increases the damage of your next Flying Blade after having used Singing Blade.
Passionate Song increases the damage of your next Flying Blade after having used Singing Blade.
Creative, I know.
Now the obligatory stamina passive that everyone should take.
You're a Free Musician and as such you shouldn't be restrained! This allows you to zoom past your enemies when using etudes on them. That is, you can move, and at an increased pace, while channeling etudes.
Etudes need lots of love and as such we give them 100% increased critical chance.
Third page
Although this page is basically a support page there are still some good passives to take.
If you were wondering where the third stamina ruby went, it's here.
This passive literally decreases damage taken. Take my money.
Tunes of War is a great buff to have when you want to burst. Combined with Victory Hymn you can deal lots of damage.