This app was mentioned in 2 comments, with an average of 1.00 upvote
Checkout Stereodose, it's great for new music while tripping and you can filter by "Calm", "Trippy", "Fubar", and "Rockstar". Its pretty awesome! https://play.google.com/store/apps/details?id=com.stereodose.mobile&hl=en
Shameless plug for an awesome alternative streaming app.
https://play.google.com/store/apps/details?id=com.stereodose.mobile&hl=en