The 500 or more sample songs arranged for saxophone can be downloaded from the following page.
The files are saved in the compact Sibelius format *.sib. using version 6 of Avid Sibelius.
http://learnsax.co.uk/docs/
Click on the link 500saxtunes to download the 137.958 kb zip file.
Once downloaded unpack the zip file to extract the files (I use 7zip)
If you do not have the Avid Sibelius program.
Download free software, trials, and demos from.
https://www.sibelius.com/download/index.html