* The pipe organ: The deep, resonant sound of the pipe organ can be both awe-inspiring and unsettling. It is often associated with churches, cathedrals, and other religious buildings, which can give it a sense of mystery or foreboding.
* The harpsichord: The harpsichord's delicate, tinkling sound can be beautiful, but it can also be unsettling. It is often used in classical music to create a sense of tension or unease.
* The accordion: The accordion's mournful, wheezing sound can be both nostalgic and unsettling. It is often used in folk music and tango music to create a sense of longing or regret.
* The didgeridoo: The didgeridoo's deep, droning sound can be both hypnotic and disorienting. It is often used in Aboriginal music and meditation to create a sense of altered consciousness.