Yamaha DGX-202
Tascam US-122
Shure SM-57
The Larynx of Horror
GoldWave
Audacity
Nero Wave Editor
Multiquence
LAME (for the mp3)
Recorded from about March 2005 through June 2005 in the terrible, deeply evil Cat Exclusion Facility
There's one sample - try to find it

Monkey Typing Pool "Study Rain"

detail about the song and recording