This song is about how hard it is to shed ourselves of unconscious motivations. Even when we suppress negativity, unless we dig it up roots and all, it can remain deep inside, in the belly of the proverbial beast, or in this case dragon.
SONG FOR A FRIEND is for all the people I hung out with on the island of Hydra, Greece, back in the day. My son Will wrote the wonderful lines at the end: 'Je sais que je sais, mais je ne sais pas ou elle vive.'