One can "recreate" the "new" music cues in Star Wars Special Edition the following ways:

1)DESERT SEARCH (use the SE soundtrack CDs from RCA Victor)
        Star Wars: A New Hope Disc 2, Track 5 run from 0:24 to 0:36,
        edit to disc 2 track 5    0:53 until 1:05,
        edit to disc 2 track 5 1:09 until 1:11,
        fade out under sound of sandcrawler.

2)ARRIVAL AT MOS EISLEY
        Star Wars:A New Hope Disc 2 Track 6  2:21 to 2:39,
        edit to Disc 2 Track 6 2:57 until 3:10,
        fade out under the sfx of the lumbering rontos and the landspeeder.

3)HAN FACES JABBA THE HUTT
        Star Wars:Return of The Jedi Disc 1 Track 7 0:29 to 0:56,
        a moment of silence, then
        Disc 1 Track 4 0:20 until 0:38,
        crossfade to disc 1 track 4 0:59 until 1:51,
        fade out under sound effects.