Formulate diverse chord combinations to augment the harmonic richness of the given musical work.
z4 z D DE | F3 F =EF B>c | B2 A2 z C CD | E3 F AG F>G | F4 z D DE | F3 F =EF B>c | 
 d2 c3 G AB | F3 B BA GA | B4 z || B AB | c4- cd c>F | B4 z2 B2 | 
 B3 D B2 A2 | A2 G3 G AB | c4- cB AB | d6 B2 | F4- FG AB | 
 A4 B4 |]  
X:1
L:1/8
M:4/4
K:Bb
 z4 z D DE |"Bb" F3 F =EF B>c |"F" B2 A2 z C CD |"F7" E3 F AG F>G |"Bb" F4 z D DE | F3 F =EF B>c | 
"C7" d2 c3 G AB |"Bb/F" F3 B"F7" BA GA |"Bb" B4 z || B AB |"F7" c4- cd c>F |"Bb" B4 z2 B2 | 
"Gm" B3 D"D7" B2 A2 |"Gm" A2 G3 G AB |"F7" c4- cB AB |"Bb" d6"C7/E" B2 |"Bb/F" F4-"F7" FG AB | 
 A4"Bb" B4 |]  