Here are the audio practice files for Carissima, Heilig, March Militaire and Intrade. Also you will find some sight reading practice pieces Bonny at Morn (strings), Bonny at Morn (Wind) and John Dunbar Theme.
There is 2 introductory bars of triangle beats and then you are in. If in doubt listen to the piece before you practice.
It is recommended that you listen to the music through headphones while practicing.