There may be a slight delay when you press play as the file is coming from cloud storage.
Anything specific needed get in touch and it will be bumped up the list.
This website contains downloadable mp3 files from practice CDs and computer generated part enhanced mp3s. Mp3 files should download to your device and can then be played locally.
NOTE - When clicked a file may play straight away, If you would prefer to download it to play offline then right click and select "Save Link As" to save it to your computer.