Yeah I'd have to agree with eggs on that, some tracks will be released on a limited edition white label and then 6 months or more later it'll be released on an LP or something, when the Skream remix of La Roux "in for the kill" came out it was like this, all I could get it on was 4 track EP of 2 of La Roux singles
https://soundcloud.com/oxykon/oxykon-set-63-9th-march-2013 ahk guys, here is my set for this week, will leave this up for at least another week so peeps can download it, its a nice liquid/ambient dnb set, hope y'all enjoy
With most radio djs it's not needed to how to mix, but then you get people like myself with an 1hr radio slot every Saturday on Internet radio and its 100% mixing, you'll find most late night radio shows as well also mix live all the time, kinda depends what kind of radio your doing on what station and at what time of the day/night