Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Gmin
['B3 B A2 B2 |{d} c3 B/c/', 'g2 (g3 d) (dc)(cB) (c3 B) A', 'A2 B3 c (B2 G2) e3 c', '(g/a/) (b3 a) b2 g2 f d3'  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Gmin
"^Very slow." B3 B A2 B2 |{d} c3 B/c/ (^c2 d2) | e2 g2 (fe)(dc) | B2 d2 (b3 a) | g2 ^f2 (g=f)(ed) | 
 G2 A2 (B3 e) | d B3 (A3 c) | B3 A G2 |] g2 | (g3 d) (dc)(cB) | (c3 B) A c3 | (B3 A) B2 d2 | 
 (c2 e2 d2) F2 | (D G3) (G3 A) | (B2 b2 a3) g | f d3 (c3 d) | B3 A G2 |] A2 | B3 c (B2 G2) | 
 e3 c ^c d3 | (g2 ^f2) (g2 _a2) | (g3 f) e2 d2 | e3 (d/c/) d3 (c/B/) | c3 (B/A/) B3 (A/G/) | 
 (A2 c2 B2 d2) | (BA)(G^F){F} G3 |] (g/a/) | (b3 a) b2 g2 | f d3 (dB)(ce) | d B3 (BcdB) | 
 ABcB A2 F2 | D2 G2 B2 b2 | (a2 g2) (^f2 g2) | (=f2 d2) (c2 d2) | (BA)(G^F){F} G2 |]  