I tend to go for heavy guitar music, Refused and Mastodon have done me well today

I got some of these this afternoon and they're proving to be a great buy so far. Especially for £17 reduced from £22 !

http://www.argos.co.uk/static/Product/partNumber/5349292/c_1/1%7Ccategory_root%7CHome+entertainment+and+sat+nav%7C14419512/c_2/2%7C14419512%7CHeadphones+and+earphones%7C14419643/c_3/3%7Ccat_14419643%7CIn-ear+headphones%7C14419650.htm