I sometimes listen to ambient audio when exploring Sindome, it's relaxing and helps me feel more immersed in the descriptions of everything
this one is pretty good:
https://www.youtube.com/watch?v=oXliXxkvwew
i am also a big fan of this, in general:
https://www.youtube.com/watch?v=u9a1EQS_9Wo&feature=emb_title
curious what others listen to when RPing or exploring