Design melodies that correspond to the given chord shifts.
'D', 'D', 'A', 'D', 'A7', 'D', 'D', 'Em', 'A', 'A7', 'A7', 'D', 'D', 'Em', 'A', 'D', 'G', 'A7', 'D'  
X:1
L:1/8
M:2/2
K:D
 Bc |"D" d2 fd cdBd |"D" AdFd"A" EecA |"D" d2 fd"^(Bm)" cdAF |"A7" GEec"D" d2 :| fg | 
"D" afdf afba |"Em" gfed"A" cdef |"A7" gfed cbag |"A7" fedc"D" d2 || fg |"D" afdf afba | 
"Em" gfed"A" cBAG |"D" FAdc"G" Bbag |"A7" fedc"D" d2 |]  