Harp
Especially in the lower range
Vibraphone
Same
Theramin
Absolutely gorgeous in its own wobbley way. There is something profoundly soothing about this thing that I cant really explain but its otherworldy, almost utopic and chronotopic
Glass Marimba
Soft mallets
Bass Marimba
Extrapolating here but I cant see how it wouldn’t
Church organ. The larger, the better.
…and playing Bach at almost deafening levels! I literally can (and will) sleep during a soundscape like this.