The files in this directory are completely out-of-date.
They were superseded about three years ago.
They are no longer maintained.
You have been given a badly-out-of-date URL :-(

For Peter Billam's compositions, please consult:
www.pjb.com.au/mus/comp.html
www.pjb.com.au/mus/comp/a4/
www.pjb.com.au/mus/comp/us/

and for the arrangements, please consult:
www.pjb.com.au/mus/arr.html
www.pjb.com.au/mus/arr/a4/
www.pjb.com.au/mus/arr/us/

where the up-to-date versions are available
in a choice of A4 and US-Letter page-sizes.