Drumming with backing tracks and sample pads | Elephant Drums
SampleRadar: 1,000 free drum samples | MusicRadar
Live Drum Breaks by Sample Market
Amazon.com: LEKATO Percussion Sample Pad, Electric Drum Pad with 9 Velocity-Sensitive Drum Pad, 600+ Sounds, Electronic Drum Set Pad Multipad with MIDI out, USB MIDI, AUX, Looper, Metronome, Trigger inputs : Musical