Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:6/8
K:E
['B,2 E- E2 G- GBe gfe', 'z [=G_Be]2 z [GBe] z [^GBe]ce BGF', 'z [=G_Be]2 z [GBe] z [^GBe]ce BGE'  
X:1
L:1/8
M:6/8
K:E
 B,2 E- E2 G- | GBe gfe | dcB- BGB | AGF EDC | B,2 E- E2 G- | GBe gfe | dBb- bgb | agf e2 z :: 
 [=G_Be]2 z [GBe] z | [^GBe]ce BGF | EGA Beg | (fb)b b2 z |: [=G_Be]2 z [GBe] z | [^GBe]ce BGE | 
 B,EG B3- | Bfg e2 z :|  