http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variations 1 to 6 Sample.mid
http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variations 7 to 10 Sample.mid
http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variations 11 to 15 Sample.mid
http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variations 16 and 17 Sample.mid
http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variation 18 Sample.mid 
http://www.musicforpianos.com/MIDI Samples/Rachmaninoff/Paganini Variations 19 to 24 Sample.mid