File:CandlemassNightfall.jpg

Licensing

This image is of a cover of an audio recording, and the copyright for it is most likely owned by either the publisher of the work or the artist(s) which produced the recording or cover artwork in question. It is believed that the use of low-resolution images of such covers

solely to illustrate the audio recording in question,
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under the copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.
Fair use

Rationale for fair use in Nightfall (Candlemass album) page

The image linked here is claimed to be used under fair use because:

No free or public domain images have been located for this album.
The image does not limit the copyright owners' rights to distribute the album in any way.
This image is used on various websites, so its use on Wikipedia does not make it significantly more accessible or visible than it already is. The cover is being used for informational purposes only, and its use is not believed to detract from the original album in any way.