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PFS StandardMaestro

Source Player Core pg. 98
Your muse constantly inspires you to greater heights of artistic prowess. For many bards, a teacher or rival fills this role, although some set their sights higher and attempt to surpass great composers of the past or blaze a new trail entirely. If your muse is a supernatural creature, it might be one who loves to perform, such as a choral angel or a lyrakien azata; if a deity, it might be Shelyn. Art inspired by a maestro muse is precise and inventive, a formalist achievement.
As a bard with a maestro muse, you are an inspiration to your allies and confident of your musical and oratorical abilities.

Muse Feat Lingering Composition
Muse Spell soothe