Compose music pieces incorporating the provided chord modifications.
'Em', 'D', 'A7', 'D', 'Em/G', 'D/A', 'A7', 'D', 'D', 'A7', 'D', 'A7', 'D'  
X:1
L:1/16
M:2/4
K:D
"Em" gbeg b2ag |"D" fadf a2gf |"A7" efga b2c'2 |"D" d'afb a2f2 |"Em/G" gbeg b2ag |"D/A" fadf a2gf | 
"A7" efga b2c'2 |"D" d'2d'2 d'2 z2 ::"D" A2a2 fdAf |"A7" g2Ac ecAc | a2Aa geAg |"D" f2Af fdAf | 
 A2a2"A7" fdAf | g2Ac ecAc | a2Aa g2Bc |"D" d2d2 d2 z2 :|  