Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:6/8
K:D
['d2 d dcd e2 c A2 A', 'd2 A', 'e2 g']  
X:1
L:1/8
M:6/8
K:D
 d2 d dcd | e2 c A2 A | B2 B cBc | dAG FED | d2 d dcd | e2 c A2 A | B2 B cBc | d2 d d2 |] A | 
 d2 A F2 A | f2 d def | g2 e f2 d | eee e2 A | d2 A F2 A | f2 d def | gba gfe | ddd d2 |] 
 !fermata!f | fef d2 f | gfg e2 g | fef dcd | e2 e e2 g | fef d2 f | gfg e2 g | fed cde | 
 d2 d d2"^D.C." z |]  