Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:2/4
K:none
['ag B2 gf A2', 'dg/g/ ga', 'ae gf e>f g3']  
X:1
L:1/8
M:2/4
K:none
[K:D] ag B2 | gf A2 | d>c BA | db a2 | ag B2 | gf A2 | dd/c/ Bc |1 d2 z2 :|2 d3 A/A/ |: A2 B2 | 
 A3 A | Ag f/g/g | Af e/f/f | A2 B2 | A3 A | Aa B>c |1 d3 c/c/ :|2 d3 z |:[K:G] dg/g/ ga | 
 ba/a/ ae |"D7" gf ed | c2 B2 | dg/g/ ga | ba/a/ ae | gf e>f | g3 z :|  