Yes this should work. In the Backup are all scores and the music Files. If your Files are in the original MSP folder then everything should work without Problems. If you stored your Files in a specific folder then it could be that your Friend has to correct the file path.
Samsung Galaxy Tab S7 FE Android 12
Samsung Note Pro 12.2 LineageOS 14.1
Huawei Media Pad M3 lite Android 7
Samsung Note Pro 12.2 LineageOS 14.1
Huawei Media Pad M3 lite Android 7