Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:6/8
K:Dmix
['A (F>G)A ABc TBAB G2 G FGA', 'afd fga'  
X:1
L:1/8
M:6/8
K:Dmix
 A | (F>G)A ABc | TBAB G2 G | FGA ABA | d3 Tf2 g | aAA ABc | TBAG g2 f/g/ | agf gfe | d3 D2 :: 
 f/g/ | afd fga | gec efg | afd ded | Tf3 g>ab | afd fga | gfc efg | agf gfe | d3 D2 :|  