not saying this is the case at all from parker and not even really implying it either, because i dont know, but it possible. instead of rubbing off though, i like to think of it as being very inspired by. it could be possible that he was very inspired by art to the point of lighting a new flame. i know jerry garcia is documented as really putting more effort forward after the first time he heard clapton. after hearing eric he sat down with the guitar for much longer lengths of time and was quoted saying that eric was that inspiration.