Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:4/4
K:C
['[M:6/8][K:D] cud be a!p! be e ga', 'd2 A'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] cud be a!p! be e ga ABC b ufuae d ave a a f cecg a[Q:1/8=140]"^allegro grazioso" .d2 d ded | 
 c<e z efg | fed f/ a3 | gfe g/ b3 | a2 f gfe | dcB ABc | dFA dFA | B3 B2 || c | aba gfe | 
 d2 A d2 A | bag fed | c/ e3 z e2 | af/g/a bg/a/b | af/g/a geg | fed cAc | d3 d2 z |]  