The "Broken Glass" Live Pack contains a nested Drum Rack with Impulse instances at its core. The nested Drum Racks are also fully macro mapped so you can tweak each of the individual samples to your liking, even transpose and time-stretch them. Works with Ableton Live 8 and 9. More info.
This is a free download. Simply add a "0" into the price field. Unless you would like to donate something which is always appreciated.