Your mind-affecting songs can influence the undead.
Prerequisite: Knowledge (religion) 6 ranks.
This feat only works on mind-affecting songs. A threnodic song affects undead creatures (even mindless undead) as if they weren’t immune to mind-affecting effects, but has no effect on living creatures.
MP Increase: +2 (a threnodic song costs 2 additional MP more than the actual MP cost of the song.) In addition, the perform check DC increases by +2.
Normal: Undead are immune to mind-affecting effects.