Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/4
M:3/4
K:G
['g f', 'a g']  
X:1
L:1/4
M:3/4
K:G
 B c"^A" |"G" d3 | e d B |"D7" c3/2 d/ c | z A B | c3 | d c A |"G" B3/2 c/ B | z B c | d3 | 
 g f =f |"C" e3/2 f/ e | z f e |"G/D" d3/2 e/ d |"D7" z c F |"G" G3/2 G/ G | G z z || 
[K:D]"^B""D" a3/2 a/ a | a g f |"A7" f e3/2 f/ | g2 z | b3/2 b/ b | b a g |"D" g f3/2 g/ | a2 z | 
 a3/2 a/ a | a g f |"G" b3/2 b/ b | b a g |"D/A" b a f |"A7" a g c |"D" d3/2 d/ d | 
 B z"_>Teil A" c"^C" |:[K:C]"C" g3 | a2 b | c'3 | b2 c' |"G7" b3 | a2 b |"C" a3 | g2 z | g ^f g | 
 b2 a |"Dm" g3 | f2 z |1"G7" f e f | a2 g |"C" f3 | e2 z :|2"F" c' b a |"G7" g e3/2 d/ | 
"C" c3/2 c/ c | c2 z |]  