In The Blue Guitar, how is the abstract discussed?
The Blue Guitar is a suite of twenty etchings with aquatint by David Hockney, drawn in 1976–77 and published in 1977 in London and New York by Petersburg Press.
The frontispiece to the portfolio mentions Hockney's dual inspirations:"The Blue
Guitar 
Etchings by 
David Hockney 
who was inspired 
by 
Wallace Stevens 
who was inspired
by
Pablo Picasso"
etchings David Hockney frontispiece Petersburg Press Pablo Picasso Wallace Stevens Etching Etchings aquatint Picasso