Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/4
M:3/4
K:D
['B c', 'A B'  
X:1
L:1/4
M:3/4
K:D
 B c ||"D" d F/G/ A/F/ |"A7" G F E |"D" F A A/B/ |"D" A F A |"G" G G/A/ B |"A7" c B A | 
"D" d d/c/ d |"A7" A B c |"D" d F/G/ A/F/ |"A7" G F E |"D" F A A/B/ |"D" A2 B |"A7" c e3/2 c/ | 
"E7" d c B |"A7" A3/2 B/ A |"A7" G F A ||"D" d3/2 c/ d |"D7" d c =c |"G" B G/F/ G |"G" G A B | 
"E7" e e e/f/ |"E7" e d B |"A7" c A B |"A7" c/>B/ A B/c/ |"D" d F/G/ A/F/ |"A7" G F E |"D" F G A | 
"G" B2 e |"E7" d3/2 B/ c |"A7" B A B |"D" d3/2 c/ d |"D" d2 z ||  