Initialize

mount /dev/sda1 /mnt/sda1
mount /dev/sda2 /mnt/sda2
mount --bind /mnt/sda1/audio/ /home/user/Music/
mount --bind /mnt/sda2/Pictures/ /home/user/Pictures/

Uninitialize

umount -l /mnt/sda2
umount -l /home/user/Music/
umount -l /home/user/Pictures/