Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
Q:1/8=60
M:6/8
K:Cmin
['G c2 d', 'e2 B g2 e f2 d edc', 'B e2 f', 'd b2 g a2 f gfe ^d2']  
X:1
L:1/8
Q:1/8=60
M:6/8
K:Cmin
"^slow" G | c2 d edc | =B2 c G2 G | B2 A AGF | E2 F !fermata!G2 G | c2 d e2 B | e2 f !fermata!g3 | 
 fdB B2 d/e/ | f2 d e2 || B | g2 e f2 d | edc =B2 c | G3- G2 F | E>FG/A/ BG z/ G/ | c2 d egf | 
 e>dc Gc=B | c3- c2 |][K:Emin]"^version in Em" B | e2 f gfe | ^d2 e B2 B | d2 c cBA | 
 G2 A !fermata!B2 B | e2 f g2 d | g2 a !fermata!b3 | afd d2 f/g/ | a2 f g2 || d | b2 g a2 f | 
 gfe ^d2 e | B3- B2 A | G>AB/c/ dB z/ B/ | e2 f gba | g>fe Be^d | e3- e2 |]  