Create a series of chord progressions to enhance the harmonic aspect of the given piece of music.
GG/G/ GG | GF ED | GG/G/ GA | B3 z | BB Bc | BA AB | 
 BB cB | (B2 A2) || AB c2 | BB BB/B/ | GG/G/ AA | A3 z | 
 AA AA | GF ED | D2 EF | G2 z2 |]  
X:1
L:1/8
M:2/4
K:G
"G" GG/G/"Em" GG |"G" GF"C" ED |"G" GG/G/ G"D"A |"G" B3 z |"G" BB"Em" Bc |"G" BA"D" AB | 
"G" BB"C" cB |"G" (B2"D" A2) ||"D" AB"C" c2 |"G" BB BB/B/ |"C" GG/G/"A7" AA |"D7" A3 z | 
"D7" AA AA |"D7" GF ED |"D7" D2 EF |"G" G2 z2 |]  