Craving meaningful intellectual engagement, with preconceived notion that Somebody else feels the reality the similar way I feel the music. Artist is eternally cursed to solitude, and his creation process is designed, so he can potentially connect with someone in the future, in hopes of being understood through his work.
Feeling misguided and misunderstood is sometimes a powerful motivation for creation of art. Best master pieces came to life through extreme solitude and lack of connection with fellow human beings. It is almost as the crave for social interaction is carving the process of crafting the artistic uniqueness. Every solitude is unique in its own certain way.