Compose songs in accordance with the specified chord transitions.
'D', 'Em', 'D', 'A7', 'A7', 'D', 'D', 'A7', 'G', 'E7', 'A', 'G', 'D', 'Em', 'D', 'A7', 'D'  
X:1
L:1/16
M:3/4
K:D
 A2 |:"D" dedc d2A2 F2>A2 | dcde d2A2 f4 |"Em" e2>f2 g2e2"D" f2d2 |1,3 
"^(E7)" d2cd"A7" e2c2 A2>c2 :|2,4"A7" cdec c2d2"D" d4 ::"D" fafd fafd fafd |"A7" eaec eaec eaec | 
"G"{c} d2c B2c2"E7" d2e2 | d2cB"A" A4 A2A2 |"G" BdBG BdBG BdBG |"D" AdAF AdAF AdAF | 
"Em"{F} G2>F2 E2g2"D" f2d2 |"A7" fedc c2d2"D" d4 :|  