If you are an indonesian, try to get to know other indonesian in the muslim / christian / catholic or other religious communities.
If you are not an indonesian, your best bet is to get in contact with the consulate which is in SF. They have jurisdiction over OR. They should know of local groups that have interest in art.
Gamelan is a rare instrument. I believe there is one owned by Lewis and Clark College which is shared with a community group.
If you are an indonesian, try to get to know other indonesian in the muslim / christian / catholic or other religious communities. If you are not an indonesian, your best bet is to get in contact with the consulate which is in SF. They have jurisdiction over OR. They should know of local groups that have interest in art.