Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/4
Q:1/4=66
M:4/4
K:Gmin
['d d', 'd d'  
X:1
L:1/4
Q:1/4=66
M:4/4
K:Gmin
"^Larghetto" d | (c/B/A/G/ ^F/G/A/B/) | c A z d | c A (F/G/ A) | G2 z d | d d e/f/ g | 
 (f3/2 e/) d d | e c (c/d/) e | d2 z || d | d d (e/f/) g | (f3/2 e/) d d | e c c f | (d B) A G | 
 (B d f d | c) A d2 | (c/B/A/G/ ^F/G/A/B/) | [B,G]2 z ||  