This are many pages, didn't read them all.. just found some LD on eBay:
http://cgi.ebay.de/Song-of-The-South-Japan-Only-Mega-Rare-NEW-LD-Disney_W0QQitemZ200263937411QQcmdZViewItemQQptZUS_Laserdisc?hash=item200263937411&_trksid=p3286.c0.m14&_trkparms=72%3A1229|66%3A2|65%3A12|39%3A1|240%3A1318
Maybe someone cann affort it...