Instruments of Our Devotion

From publisher blurb: A (literal) engraved invitation leads to a meeting with a group of peaceful acetics who hire the team to recover some sacred musical instruments seized by soldiers. Naturally, things aren't all that they seem; what is the secret of the instruments that's worth risking reputations, freedom, and lives? Instruments of Our Devotion is a short adventure for 2D6 science fiction RPGs such as Cepheus Engine and the Original Science Fiction Roleplaying Game (OSFRPG.)