Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:6/8
K:A
['FAB c2 f fec efe cdc B3', 'B AGE'  
X:1
L:1/8
M:6/8
K:A
 FAB c2 f | fec efe | cdc B3 | AGA BGE | FAB c2 f | fec efe | cdc B3 |1 AGE F2 E :|2 AGE F2 g || 
 agf gfe | Bce c2 B | AGE FAB | cfg efg | agf gfe | Bce c2 B | AGE FGA | Bce f2 g | agf gfe | 
 Bce c2 B | AGE FAB | cfg efg | agf g2 g | fec Be^d | cAF GEC | B,CE F2 E ||  