From Sonoma Wire Works:
Stereo 24-bit audio loops, MIDI recordings, and drum kit sounds of famous drummers in many styles that can be used royalty free. All recordings are fully tempo-adjustable. Includes a VSTi/RTAS/AU plug-in drum instrument for use with Logic Pro 8, Cubase 4 and up (32-bit only), ProTools 7.4.2 and up, Digital Performer 6, Live 6 and up, Sonar 8 (32-bit only), Tracktion 3, Acid 7, and more. DrumCore FREE Kits include a great rock/pop kit, a subwoofer-thumpin' hip-hop kit, and a sprinkling of Latin Percussion sounds. DrumCore FREE includes the Basic Beats "Rock Pop 101" GrooveSet (as both audio loops and MIDI) plus the Urban GT "HipHop Classics (1-4)" and Song Beat GrooveSets (as MIDI files). Many more kits and GrooveSets are included in the full version. DrumCore Free only includes the DrumCore plug-in, and not the toolkit app that is included in the full version.