Pull down repo on Raspberry Pi (used Raspbien Wheezy).

Create virtual environment and resolve dependencies

$ mkvirtualenv ra-dio -r requirements.txt --system-site-packages

Create a mount directory

$ sudo mkdir /mnt/usb

Insert and Search for mounted usb drive

$ ls /dev/ | grep sd

Mount the usb drive

$ sudo mount /dev/sda2 /mnt/usb

$ workon ra-dio
$ sudo python radiopi.py