Song of MarchingCantrip 3
Source Pathfinder Player Core
Cast

Area 60-foot emanation
Duration 1 hour
You maintain a brisk performance that keeps allies on the move. You and your allies in the area can Hustle for the spell's duration, in addition to your other exploration activities (your exploration activity is Sustaining this spell). You and your allies then become temporarily immune for 1 day.
If you enter an encounter while performing this song, you can use your Performance modifier for the initiative roll. You and your affected allies also receive a +1 status bonus to that initiative roll.
Heightened (6th) You can Sustain the Spell for up to 2 hours.
Heightened (9th) You can Sustain the Spell for up to 4 hours.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
BardThis indicates abilities from the bard class.
CantripA spell you can cast at will that is automatically heightened to half your level rounded up.
CompositionTo cast a composition cantrip or focus spell, you use a type of Performance. If the spell requires an auditory performance, you might recite a poem, sing a song, or perform a dramatic monologue. If the spell requires a visual performance, you might dance or pantomime. You can cast only one composition spell each turn, and you can have only one active at a time. If you cast a new composition spell, any ongoing effects from your previous composition spell end immediately.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
MentalA mental effect can alter the target's mind. It has no effect on an object or a mindless creature.