Welcome ControlledChaos!
I believe ayahuasca is a gift that is meant for the mankind and it's not limited to one culture or tradition. Ayahuasca tourism has become so popular that there is a high risk of monetizing supposed authenticity in the regions where this tradition has originated.
That being said I'd love to participate in a proper ceremony one day. However, the plant has been incredibly beneficial for me when I have taken the brew just by myself.
Encapsulated lemon essential oil pretty much kills the nausea. Although some nausea may be useful in getting into the proper respectful mood.
I am grateful that so much icaro music is available through YouTube nowadays. Those are the kind of songs that connect to the spirit of Aya. We have the opportunity to draw from the age old traditions and then add something new that fits the time and culture each of us lives. Here is one of my favorite compilations:
https://youtu.be/gTBcWujlcgk