tour busses of famous musicians

Furthur

Sugar Magnolia

Mondrian (http://en.wikipedia.org/wiki/Piet_Mondrian)

All found on http://www.pixacar.com/

Mondrian, and pop art, were very much everywhere in the 60's and early 70s
http://prova275.tumblr.com/post/147910461190/mod-olds-girls-1966