There are many reasons why people may still purchase music in shops, perhaps they like the art work and cover or have moral issues about downloading illegally. I am in between the two, I like the covers and artwork, but would only buy an album in a store such as HMV if I really wanted it. Generally I source my music online and also trade/share with friends. The last one in particular is good because I get exposed to music I probably wouldn't bother listening too and is a good way to socialise.