<P> The title `` Suite : Judy Blue Eyes '' ( a play on words for `` Sweet Judy Blue Eyes '' ) refers to Stephen Stills ' former girlfriend , singer / songwriter Judy Collins , and the lyrics to most of the suite 's sections consist of his thoughts about her and their imminent breakup . Collins is known for her piercing blue eyes . During a July 15 , 2007 interview for the National Public Radio program Just Roll Tape , Stills revealed that Collins was present in the studio when the demo tapes were recorded . Collins had advised Stills `` not to stay ( at the studio ) all night . '' Stills later commented that `` the breakup was imminent ... we were both too large for one house . '' Stills said that he liked parts of this demo version of `` Suite : Judy Blue Eyes '' better than the released version . </P>
who was suite judy blue eyes written about
singer / songwriter Judy Collins