Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:A
['c>d e>c', 'a>g a>f'  
X:1
L:1/8
M:4/4
K:A
|: a |"A" e2 e>d c>d e>c | A>e c<a"D" f2"E7" e>a |"A" e2 e>d"F#m" c>d e>c | 
"Bm" B2 c>e"D" f2"E7" e :| | g |"A" a>g a>f e>c A>g |"A" a>e"F#m" f>a"D" f2"E7" ef/g/ | 
"A" a>g a>f a>f e<c |"Bm" B2 c>e"D" f2"E7" ef/g/ |"A" a>g a>f e>c A>g | 
"A" a>g"F#m" a>f"D" f>e"E7" f>g |"A" a>g a>f a>f e<c |"Bm" B2 c>e"D" f2"E7" e |]  