Due to their size differences, some of the controllers in the Launchkey range will let you do more things with your software than others. “Duh, that’s obvious,” you might say and, yes, those extra keys let you play more octaves, but on an Ableton Live level, the bigger keyboards offer some added extras. The LK49 and LK61, for example, both feature track faders, an additional master volume fader and track select buttons, all of which do come in handy and aid Ableton workflow. However, the Launchkey you choose will be very much up to what space you have and what budget – as the price differences across the board are quite marked. The 25, for example, is currently streeting for just £94, which is fantastic value for a full size…