Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/4
M:3/4
K:C
['B, B,']  
X:1
L:1/4
M:3/4
K:C
 G,3/2 A,/ G, | G, C C | D3/2 E/ D | C2 z | B, B, B, | D3/2 C/ B, | A,3/2 B,/ A, | G,2 z | 
 G,3/2 A,/ G, | G, C C | D3/2 E/ D | C2 z | B, B, B, | D3/2 C/ B, | A,3/2 B,/ A, | G,2 z | 
 G,3/2 G,/ A, | B, G, A, | B, B, C | D3 | C D E | F3/2 E/ D | C D B, | C2 z |]  