For the Naxos Music Library database, the static URL is included on the left column of each resource. Select "show static URL" option to populate the URLs for each track.
Be sure to copy the entire URL:
Example of a document URL:
http://eastcentral.naxosmusiclibrary.com/stream.asp?s=126897%2Feccnmlpd09%2F570505%5F01
Here is the same URL but edited and ready to use and share:
http://0-eastcentral.naxosmusiclibrary.com.archway.searchmobius.org/stream.asp?s=126897%2Feccnmlpd09%2F570505%5F01