Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/4
M:4/4
K:D
['c d', ''  
X:1
L:1/4
M:4/4
K:D
"D" d c d f- | f e d f |"F#" e2 c2- | c4 |"G" B ^A B d- | d c B d |"D" A4- | A F B A | 
"Em" G F G B- |"A7" B A G E |"D" F2 A2 |"Bm" B c2 d |"E7" f e d B- | B c d B |"A7" c d ^d e- | 
 e c B A ||"D" d c d f- | f e d f |"F#" e2 c2- | c4 |"G" B ^A B c | d c d e |"F#" f4- | f B ^A B | 
"B7" g f ^d B | g f ^d B |"E7" f e d B- | B ^A B =c |"A7" c B A g- | g f e2 |"D" d4- | d4 ||  