I can move the thread if you like?
Is there any way you can borrow someone's VCR? Capturing audio is the easiest route, as you don't really need the video.
The LDDB entry seems to back up your memory.
http://www.lddb.com/laserdisc/13849/SF098-5061/Lord-of-the-Rings-The-%281978%29
Alas, the only copy for sale on there is not cheap!