Kethendmiirik: This masterwork guitar grants you a +4 circumstance bonus on Perform checks. When kethendmiirik is being played the user and all allies within 120ft. are immune to any form of silence, also when using bardic music allies with in 60ft. gain fast healing 3 for one minute, kethendmiirik has a constent calming effect on all beings with in its hearing range (this effect acts like the calm emotions spell but this effect can be dismissed by the user). The effects of three different songs can be used at once by the user (this ability stacks with any class abilities and feats but is limited to the abilities of the user). You can also command kethendmiirik to produce one of four effects (mass cure moderate wounds, call lighting, control weather, and mirage arcana) twice per day with a successful Perform 30 DC. If anyone other then a bard with at least 15 ranks in Perform picks up kethendmiirik they recieve one negitive level that can't be overcome and are struck deaf until they lose possession of it.
Hidden Power: Kethendmiirik has a hidden powers. The hidden power is unknown to all but the creator of Kethendmiirik. If Kethendmiirik's last wielder is killed and not ressurrected with in a month then Ketherndmiirik loses all its abilities for a year and ressurrects it's last wielder (as per the true ressurrection spell).
Lore: Kethendmiirik was created as a gift for Plane Song Gaelvin. Both its creator and the one who gave it to Gaelvin are unknown to all save Gaelvin himself which has refused to ever name them. It was created to enhance Gaelvin's own skills as well as serve him as a potent magical item. Kethendmiirik is made from a mix of dragonhide and many kinds of rare gems which gives it the ability to change color at will among other things. Its strings are made of fine mithral and adamantine with a small chain and a unique symbol (acts as a holy symbol for any god) attached to the top end of Kethendmiirik.