It's ableton is sexy, just expand the channel, click on any control and the redline which pops up is your automation bar. Live 4 has a nifty pen tool which means it's dead easy to slice out single beats by cutting the volume with a single click and if you deselect the pen mode the line is formed by points you can move about with to your hearts content. You can also copy and paste the envelopes so you can use them elsewhere once you have them snorted out.