Compose harmonious chord progressions to enhance the existing musical composition.
|: DCDF Adfe | dcdB AFDF |1 E^DEG Begf | edcB AGFE :|2 GBef geb_b | 
 a_age cbge |]: d2{ed} cd fdcd | adbd adfd |1 A2{BA} ^GA cAGA | eAgA fAeA :|2 
 GBeg FAdf | g{f}edc d4 |]  
X:1
L:1/8
M:2/4
K:D
|:"D" DCDF Adfe | dcdB AFDF |1"Em" E^DEG Begf |"E7" edcB"A7" AGFE :|2"Em" GBef geb_b | 
"A7" a_age cbge |]:"D" d2{ed} cd fdcd | adbd adfd |1"A7" A2{BA} ^GA cAGA | eAgA fAeA :|2 
"Em" GBeg"D" FAdf |"A7" g{f}edc"D" d4 |]  