Printed Score and Parts for full orchestra for The Invitation (movement I of Divine Encounter). 

Instrumentation for complete Divine Encounter full orchestration: 

-Fl (1), Ob (1), Bb Cl (2), Bsn (2)
-F Hn (2), Bb Tpt (2) (mvmts 1-2 only), Tbn (2), B. Tbn., Tba (mvmts 1-2 only)
-Percussion (1-2 players: Cr. Cym, Sus. Cym, Timpani) (mvmts 1-2 only)
-Harp (mvmts 1 and 3 only)
-Strings

Organ part (in choral score) or piano part (available separately) are compatible with full orchestration if harp is not available.