Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:D
['f2 ef g2', '']  
X:1
L:1/8
M:2/2
K:D
|:"D" A2 A2 d2 d2 |"A7" efga"D" f2 ef |"G" g2 B2"A7" c2 de | e4"D" d4 :|"A" e2 cd e2"^(D)" f2 | 
"A" edcd e2"^(D)" f2 |"Em" g2 B2"A" cdec |"E7" B4"A" A4 |"A7" abag"D" f2 ed |"A7" efga"D" f2 ef | 
"G" g2 B2"A7" c2 de | e4"D" d4 |]  