Produce musical works that coincide with the indicated chord modifications.
'Gm', 'Cm', 'Gm', 'Bb', 'Cm', 'Gm', 'Cm', 'Gm', 'Dm', 'Gm', 'Gm', 'Cm', 'Gm', 'Dm', 'Gm'  
X:1
L:1/8
M:2/4
K:Gmin
"^instr." |]"Gm" [gB][gB]/[ac]/ [bd]/[gB]/[ac]/[fA]/ | [gB][gB]/[fA]/ [gB]/[ac]/[bd]/[fA]/ | 
 [gB]/[dF]/[gB]/[ac]/ [bd]/[gB]/[ac]/[fA]/ | [gB] z"Cm" [ec]/[dB]/[cA]/[BG]/ | 
"Gm" [BG][BG]/[cA]/ [dB]/[BG]/[cA]/[AF]/ | [BG][BG]/[AF]/ [BG]/[cA]/[dB]/[AF]/ | 
 [BG]/[GD]/[cA]/ [dB][dB]/[cA]/ | [BG][BG]/[AD]/ [GG]!fine! z |]"^verse" |:"Bb" cd dd | dc cB | 
"Cm" dc cB | BA GF ||"^chorus" ||"Gm" GA BA |"Cm" c>G G2 |"Gm" GF"Dm" =EF |"Gm" G2 G2 |"Gm" GA BA | 
"Cm" c>G G2 |"Gm" GF"Dm" =EF |"Gm" G2 G2 :|  