Aspect of the Nightingale

Transmutation (Polymorph)
Level: Artificer * 1, Bard * 1, Cleric */Oracle * 1, Druid * 1, Hunter * 1, Paladin * 1, Ranger * 1
Components: V, S, DF
Casting Time: 1 Standard Action
Range: personal
Target: you
Duration: 1 minute/level
Saving Throw: -
Spell Resistance: -

You take on an aspect of a nightingale. Your voice becomes clear and pleasant. You gain a +2 Competence Bonus on Perform (sing) checks and a +2 Competence Bonus on Diplomacy checks. Once per minute, if you are subject to a Charm effect that allows a saving throw, you may roll twice and take the more favorable result.