Jack has suddenly been given the opportunity of being one of the few people in the world with the capability of becoming a

Throat   
        Flautist

Furthermore, he’ll then be absolutely, positively,

UNIQUE

in being the

Only
   Throat   
        Flautist

(Holey throat!....)

Jack,

We’re sure you’ll   SOON   give up this skill,

Though worthwhile it may be,

In favor of restoring

to Julia,

Serene tranquility.