Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/4
Q:1/4=66
M:4/4
K:Gmin
['(B/A/) G A B c', 'G ^F G'  
X:1
L:1/4
Q:1/4=66
M:4/4
K:Gmin
"^Larghetto" (B/A/) | G A B c | d2 z d | c B A G | (G B) !fermata!A (B/A/) | G A B c | d3 d | 
 c B A A | [B,G]3 || (B/c/) | d B c e | d3 B | A A G B | A2 z A | d G ^F G | G ^F G z/ A/ | 
 (B d) (c B) | A3 (B/A/) | G B A G | (G F) D F | G A B c | d3 d | (c B) A A | [BG]3 ||  