chestra ▁divided ▁into ▁three ▁parts : ▁or chestra ▁I , ▁a ▁full - s ized ▁string ▁or chestra ; ▁or chestra ▁II , ▁a ▁single ▁des k ▁from ▁each ▁section ▁( ide ally ▁placed ▁apart ▁from ▁Orchestra ▁I ); ▁and ▁a ▁string ▁quart et . ▁V aug han ▁Williams ▁made ▁this ▁configuration ▁res emble ▁an ▁organ ▁in ▁sound , ▁with ▁the ▁quart et ▁representing ▁the ▁sw ell ▁division , ▁or chestra ▁II ▁the ▁cho ir ▁division , ▁and ▁or chestra ▁I ▁the ▁great ▁division . ▁The ▁score ▁spec ifies ▁that ▁the ▁second ▁or chestra ▁should ▁be ▁placed ▁apart ▁from ▁the ▁first . ▁This ▁spacing ▁emphas izes , ▁on ▁several ▁occasions , ▁the ▁way ▁that ▁the ▁second ▁or chestra ▁echo es ▁the ▁first ▁or chestra . ▁ ▁In ▁structure ▁this ▁piece ▁res emb les ▁the ▁Elizabeth an - age ▁" f ant asy ." ▁The ▁theme ▁is ▁heard ▁in ▁its ▁entire ty ▁three ▁times ▁during ▁the ▁course ▁of ▁the ▁work , ▁but ▁the ▁music ▁grows ▁from ▁the ▁theme ' s ▁constitu ent ▁mot ives ▁or ▁fragments , ▁with ▁variations ▁upon ▁them . ▁A ▁secondary ▁mel ody , ▁based ▁on ▁the ▁original , ▁is ▁first ▁heard ▁on ▁the ▁solo ▁vi ola ▁about ▁a ▁third ▁of ▁the ▁way ▁into ▁the ▁Fant asia , ▁and ▁this ▁theme ▁forms ▁the ▁clim ax ▁of ▁the ▁work ▁about ▁five ▁minutes ▁before ▁the ▁end . ▁ ▁The ▁original ▁ 1 5 6 7 ▁theme ▁T all is ' s ▁original ▁t une ▁is ▁in ▁the ▁Ph ry g ian ▁mode ▁and