Dan writes...

This might be helpful to Brian who is working on the Scarpa and Klee connection(brian.marsh.jones@gmail.com)

http://www.doctorhugo.org/synaesthesia/art/index.html

"Art and Synesthesia:in search of the synesthetic experience"by Dr. Hugo HeyrmanLecture presented at theFirst International Conference on Art and SynesthesiaPrimer Congreso Internacional sobre Arte y Sinestesia25th - 28th July, 2005 - Universidad de Almería, Spain