Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
Q:1/2=70
M:2/2
K:C
['aa ag/f/', 'c d2 e2 d3 c', 'c3 g ed ec d/c/d/e/ dg', 'd3 d BGcd e/d/e/f/ ea ^fgaf g3'  
X:1
L:1/8
Q:1/2=70
M:2/2
K:C
 c | d2 (fe/f/) g3 g | aa ag/f/ gg gf/g/ | aa ag/f/ gagf | e2 d2 c3 || c | d2 e2 d3 c | defe dedc | 
 B2 A2 G3 c | d2 e2 d3 c | defd gfed | c>d d2 c3 || g | ed ec d/c/d/e/ dg | edec d3 || d | 
 BGcd e/d/e/f/ ea | ^fgaf g3 g | fedc d/c/B/A/ Gg | cd d2 c3 |]  