If you would prefer to buy a CD rather than download, the original Nirvana actually has CDs out... just as many early groups are now on CDs even though that technology was not around when the group was! I just checked on Amazon.com, and you can buy the CD from them today. I used the search term, "Nirvana Audio CD" and got several results, you will be able to see which are for "your" Nirvana and which are for the 1990s Nirvana. (As you know, Amazon.com will ship to the U.K.)