Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:2/4
K:G
['dd/d/ dd gd BG .A2 .B2 .c2', 'A3 c/e/ gg fe d3 F/A/ dd', 'e2 ^d2 e2 c2']  
X:1
L:1/8
M:2/4
K:G
"D7" dd/d/ dd |"G" gd BG |"D7" .A2 .B2 | .c2 z A/G/"^A" ||"D7" F3 A/c/ | f>e f>e |"G" G3 B/d/ | 
 e>d e>d |"D7" c'3 b | a>^g a>g | b3 a |"G" gf ed |"D7" F3 A/c/ | f>e f>e |"G" G3 B/d/ | e>d e>d | 
"D7" c'b ag | fd ef |"G" .g2 .g2 | .g2 z A/B/ ||[K:D]"^B""A7" A3 c/e/ | gg fe |"D" d3 F/A/ | 
 dd cB |"A7" .A2 .G2 | B3 c |"D" .e2 .d2 | f3 d/A/ |"A7" A3 c/e/ | gg fe |"D" d3 F/A/ | dd cB | 
"A7" Af e^d | e^d/e/ fe |"D" =d2"_>Teil A" z2 |][K:C]"^C" G2 |"C" .e2 .^d2 | .e2 .c2 | 
"F" a3 g/^f/ |"C" g4 | e2 ^d2 | e2 c2 |"D7" e3 d/^c/ |"G7" d4 |"C" e2 ^d2 | e2 c2 |"F" a3 g/^f/ | 
"C" g4 |"F" c'2 b>a |"C" g3 e |"G7" dd/d/ gB |"C" c2"_Fine" z2 |]  