A One-Round Living Greyhawk Perrenland Special Mission Adventure
From the introduction:
The Annual Spring Festival in the village of Laufgen has unearthed a magical song. With the people of Laufgen left reeling in the song’s wake, agents of the Voice have been unable to trace its origin. It is left to heroes with an ear for music to get to the bottom of this mystery.
A special mission for musically inclined PCs who meets the requirements for entry into the Seeker of the Song prestige class. It also contains roleplaying opportunities for worshippers of Joramy.
For APLs 8-16.
This adventure was distributed as three separate PDF files - the 42-page scenario, and two 1-page maps.