Develop harmonious chord progressions that elevate the provided tune.
|: (3efg | a2 eg a2 eg | a2 ea fedc | dfBf dfBf | dfba gefg | a2 eg a2 eg | 
 a2 ea fedc | defd ecBA | E2 G2 A2 :: e2 | ceAe ceAe | ceag fedc | dfBf dfBf | 
 dfba gfed | ceAe ceAe | ceag fedc | defd ecBA | E2 G2 A2 |]  
X:1
L:1/8
M:2/2
K:A
|: (3efg |"A" a2 eg a2 eg | a2 ea fedc |"Bm" dfBf dfBf | dfba"E" gefg |"A" a2 eg a2 eg | 
 a2 ea fedc |"Bm" defd"A" ecBA |"E" E2 G2"A" A2 :: e2 |"A" ceAe ceAe | ceag fedc |"Bm" dfBf dfBf | 
 dfba"E" gfed |"A" ceAe ceAe | ceag fedc |"Bm" defd"A" ecBA |"E" E2 G2"A" A2 |]  