Your song or poetics echo the power of the dragonsong, an ancient style of vocal performance created by dragons in the distant past.
Prerequisites: Cha 13, Knowledge (arcana) 4 ranks, Perform 6 ranks, Speak Language (Draconic).
Benefit: You gain a +2 bonus on Perform checks involving song, poetics, or any other verbal or spoken form of performance.
In addition, the DC of any saving throw required by mind-affecting effects based on your song or poetics (such as bardic music) is increased by +2.
Source: Draconomicon, page 105.