Full choir - bar 132 to 244
Full choir - bar 253 to end
Full choir - rough
Full choir - page 9
Mac - hold down the Control key while clicking on the part you want - Choose the option "Download linked file" which will save the file to your Downloads folder. When you double-click on it to play it will be added to iTunes.
Windows - hold down the Command key while clicking (or right click) on the part you want. You should get a contextual menu with various choices for saving.