Formulate chords that best support and enhance the given tune.
GABd g2 fg | agfa g2 g=e | f2 af bfaf | bagf gfdf | g2 bg agbg | 
 f2 af bfaf | bagf dfga | bc'ab g4 :: g2 dg fgdg | g2 dg fdcd | 
 g2 dg fgdg | gabg agfd | g2 dg fgdg | g2 dg fdcA | BAGF DFGA | 
 BcAB G4 :|  
X:1
L:1/8
M:2/2
K:Gmin
"Gm" GABd g2 fg |"F" agfa"Gm" g2 g=e |"F" f2 af bfaf |"Bb" bagf"F" gfdf |"Eb" g2 bg agbg | 
"F" f2 af bfaf |"Gm" bagf"Eb" dfga |"F" bc'ab"Gm" g4 ::"Gm" g2 dg fgdg | g2 dg"F" fdcd | 
"Gm" g2 dg fgdg |"Eb" gabg"F" agfd |"Gm" g2 dg fgdg | g2 dg"F" fdcA |"Gm" BAGF"Eb" DFGA | 
"F" BcAB"Gm" G4 :|  