Unless you know the band, you might as well stop reading.
(see, this is what not listening to music can do to a person...lol)
"...rare individuals would roll naked in the snow or break the ice to immerse in the ice cold water of a lake or pond. Still others practiced a strong form of self-criticism...They might fall into constant bitterness. This will damage their avodah, because without joy, there is nothing!"The ikar, the main point, is that unless the end result (or the journey) is, in fact, simcha, joy, then you are not getting the whole picture...!