Create musical compositions that adhere to the specified chord changes.
'D', 'G', 'A7', 'D', 'D', 'G', 'A7', 'D', 'A', 'D', 'G', 'A7', 'D', 'D', 'G', 'A7', 'D', 'A', 'D'  
X:1
L:1/8
M:4/4
K:D
 A |:"D" B>A (3FAF D>F A>A | d>d e>d"G" B2- (3BcB |"A7" A>c e>f g>e (3ABc |"D" d>e f>d A2- A>A | 
"D" B>A (3FAF D>F A>A | d>d e>d"G" B2- (3BcB |"A7" A>c e>f g>e (3ABc |"D" d>f"A" e>c"D" d2 e2 || 
 f2 f>e (3faf d>c | d>f e>d"G" B2- (3BcB |"A7" A>c e>f (3gec (3ABc |"D" d>e f>d A2- A>e | 
"D" (3fef (3fef (3faf d>c | d>f e>d"G" B2- (3BcB |"A7" A>c e>f g>e (3ABc | 
"D" (3def"A" e>c"D" d2 A ||  