Formulate diverse chord combinations to augment the harmonic richness of the given musical work.
"^Intro" d'e'c'a-ab g2 | decA-AB G2 | DECA,-A,B,A,_A, | G,2 z2 [G,B,DG]2 |:"^Tune 1" D^D | 
 Ec-cE c2 Ec- | c4- ccd^d | ecde- eB d2 | c6 D^D | Ec-cE c2 Ec- | 
 c4- c2 AG | ^FAce-"^/" edcA | d6 D^D | Ec-cE c2 Ec- | 
 c4- ccd^d | ecde- eB d2 | c6 cd | ecde- ecdc | ecde- ecdc | 
 ecde- eB d2 | c6 ::"^Tune 2" EF^F | G2 AG-"^/" GEF^F | G2 AG- GECG, | 
 A,B,CD EDCD | G,4-"^/" G,EF^F | G2 AG-"^/" GEF^F | G2 AG-"^/" GGA^A | 
 BB-BB-"^/" BA^FD | G4- Gef^f | g2 ag-"^/" gef^f | g2 ag- gecG | 
 ABcd edcd | c4- cG^FG | c2 Ac- cAcA | Gceg- gecG | 
 A2 c2 ed-dc- | c4"^/" z :|  
X:1
L:1/8
Q:1/2=76
M:2/2
K:C
"^Intro" d'e'c'a-ab g2 | decA-AB G2 | DECA,-A,B,A,_A, | G,2 z2 [G,B,DG]2 |:"^Tune 1" D^D | 
"C" Ec-cE"C7" c2 Ec- |"F" c4-"C/E" ccd^d |"C" ecde-"G7" eB d2 |"C" c6 D^D |"C" Ec-cE"C7" c2 Ec- | 
"F" c4-"C/E" c2 AG |"D7" ^FAce-"^/" edcA |"G" d6"G7" D^D |"C" Ec-cE"C7" c2 Ec- | 
"F" c4-"C/E" ccd^d |"C" ecde-"G7" eB d2 |"C" c6 cd |"C" ecde-"C7" ecdc |"F" ecde-"Fm" ecdc | 
"C/G" ecde-"G7" eB d2 |"C" c6 ::"^Tune 2" EF^F |"C" G2 AG-"^/" GEF^F |"C" G2 AG-"C7" GECG, | 
"F" A,B,CD"Fm" EDCD |"C" G,4-"^/" G,EF^F |"C" G2 AG-"^/" GEF^F |"C" G2 AG-"^/" GGA^A | 
"D7" BB-BB-"^/" BA^FD |"G" G4- Gef^f |"C" g2 ag-"^/" gef^f |"C" g2 ag-"C7" gecG | 
"F" ABcd"Fm" edcd |"C" c4-"C7" cG^FG |"F" c2 Ac-"Cdim/F#" cAcA |"C/G" Gceg-"Am" gecG | 
"D7" A2 c2"G7" ed-dc- |"C" c4"^/" z :|  