Here's an intro in Ab:
(Do each chord for 1/2 a count, starting on 4.)
> - higher
< - lower
4. EbGBbDb\FACF
+. DbFAbB\EbGBbEb
1,+. CEBb\EbAbC, Bb
2. FBb\FBbDb
+. ADbG\DGC
3,+. BbAb\DbFBb, Ab
4. >Ab\CEG
+. >G\F (single notes)
1. Eb\GAbCEb
+. >E\BbEbAb
2,+. <EbEb\DbEbFAbC, Bb
3. AbFAb\BbCEbAb