Develop musical compositions incorporating the designated chords.
'D', 'G', 'Em', 'A', 'D', 'G', 'D', 'D', 'D', 'G', 'A', 'A7', 'D', 'G', 'Em', 'A', 'D'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
"D" [Dd][Ae][Af][Ae] [Dd]2 [Dd]2 | [DA][DB][DA]G [DF]2 [DA]2 | [Dd]2 [Ae][Af]"G" [Ag][Af] [Ae]2 | 
"Em" [Ae][Af][Ae][Dd]"A" [Dc][DB] [DA]2 |"D" [Dd][Ae][Af][Ae] [Dd]2 [Dd]2 | 
 [DA][DB][DA]G [DF]2 [DA]2 | [Dd]2 [Ae][Af]"G" [Ag][Af] [Ae]c | [Ae]2"D" [Dd]2"D" [G,Dd]3 e :: 
"D" [Af]2 d[Af] [Aa][Af]d[Af] | [Af]2 d[Af]"G" [Ag]3 [Af] |"A" [Ae]2 c[Ae] [Ae][Ae]c[Ae] | 
 [Ae][Dd][Dc][DB]"A7" [DA]3 e |"D" [Af]2 d[Af] [Aa][Af]d[Af] | [Aa][Af]d[Af]"G" [Ag]3 [Af] | 
"Em" [Ae][Af][Ag][Af]"A" [Ae][Dd][Dc][DB] |"D" [DA]2 [Dd]2 [Dd]3 z :|  