Develop diverse chord patterns to increase the melodic richness of the submitted musical excerpt.
B | A F G A | B3 d | c A B G | F3 F | F F G A | B G A d | 
 c B c c | B3 |]  
X:1
L:1/4
M:4/4
K:Bb
 B |"F" A F"Eb" G A |"Bb" B3 d |"F" c A"Bb" B G |"F" F3 F | F F"Eb" G A |"Gm" B G"D" A d | 
"F" c B c c |"Bb" B3 |]  