Write musical compositions using the designated chords.
'D', 'A7', 'D', 'A7', 'D', 'G', 'A7', 'D', 'C', 'D', 'A7', 'D', 'A7', 'D'  
X:1
L:1/8
M:4/4
K:D
|:"D" f2 ff f2 gf |"A7" e2 c2"D" d4 |1"A7" c2 d2 efec |"D" d2 e2 f2 d2 :|2"G" g3 f e2 d2 | 
"A7" B2 c2 d4 ::"D" d2 fd adfd |"C" =c2 ec gcec |"D" d2 fd adfa |1"A7" bgec"D" dcBA :|2 
"A7" bgec"D" d4 :|  