Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/4
M:3/4
K:C
['(e3 e)', '.g .e']  
X:1
L:1/4
M:3/4
K:C
"^A""C" (e3 | e) g c' |"Dm" (d3 | d) f a |"G7" c z/ B/ B | (B a) .g |"C" d z/ c/ c | (c a) .g | 
"C" (e3 | e) g c' |"Dm" (d3 | d) f a |"G7" c z/ B/ B | (B e) .d |"C" (c3 |1 c) z z :|2 c z d |: 
[K:G]"^B""G" g z/ g/ g |"C" g/g/ f e |"G" e z/ d/ d | d/^d/ e/=d/ c/B/ |"D7" (B .A) .A | 
 A/c/ d/c/ B/A/ |"G" A G/ z/ G | G ^c/d/ e/f/ |"C" g z/ g/ g |"D7" g/g/ f e |"G" e z/ d/ d | 
 d/^d/ e/=d/ c/B/ |"Am" (B A/) z/ e |"D7" f b a |"G" (g3 |1 g) z d :|2 g z G |:[K:C]"^C""C" e3 | 
{/f} e ^d e | g3 |"E7" (d2 e) |"Am" c3 |"G7" (d2 ^d) |"C" (e3 | e) .e .e | e3 |{/f}"A7" e ^d e | 
"Dm" (g2 f) | A2 d |"C/G" G c d |"G7" (e2 d) |"C" (c3 |1 c) z G :|2 c z c/c/ |: 
[K:F]"^D""C7" .c .c' .=b | ._b .g .e |"F" Tg .f .f | .f .f A/A/ |"A7" .A .a .g | .e .^c .A | 
"Dm" Te .d .d | .d .d d/d/ |"C7" .c .c' .=b | ._b .g .e |"F" g3/2 f/ f |"C7" a3/2 g/ g | 
"F" d'3/2 c'/ c' |"C7" (c' b) .g |"F" (f3 |2 f) z c/c/ :|2 f z z |]  