Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:2/2
K:Amix
['gB (3.B.B.B', 'aA (3.A.A.A']  
X:1
L:1/8
M:2/2
K:Amix
 ed |"A" cdBc ABcd | egfd edBd |"G" gB (3.B.B.B gBaB | gB (3.B.B.B gfed |"A" cdBc ABcd | 
 egfd edBd |"G" gfge"D" dfed |"E" cdBc"A" A2 :| e^g |"A" aA (3.A.A.A aAbA | aA (3.A.A.A agef | 
"G" gB (3.B.B.B gBaB | gB (3.B.B.B gefg |"A" aA (3.A.A.A aAbA | aA (3.A.A.A agef | 
"G" gfge"D" dfed |"E" cdBc"A" A2 e^g |"A" aA (3.A.A.A aAbA | aA (3.A.A.A agef | 
"G" gB (3.B.B.B gBaB | gB (3.B.B.B gefg |"A" aA (3.A.A.A"G" gA (3.A.A.A |"D" fA (3.A.A.A"A" e2 ef | 
"G" gfge"D" dfed |"E" cdBc"A" A2 |]  