Check this tune out to learn the basic melody of Boil them Cabbage Down. Knowing the melody will help you greatly when learning this tune in other picking styles such as Scruggs, Melodic, or Single String. If you know the melody, you'll know the important notes to accent and bring out when picking a more complex version of the tune.
The licks here are simple, interesting and accessible. Give a few a try. Work on one lick at a time by using the focus feature to practice it repeatedly. Once you've practiced it until it becomes easy to play, then try playing the entire tune and incorporating it.
Singing the words as you play the melody is great for your memory. IT really helps you internalize, and with practice, express the music in a natural way.