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
['[AA]BcA AcBA [AA]3 [AB] [AA]2 E2 [EA]2', 'ef gfed', '[AA]2 first [AA]2- [AA]BcB A2 G2 ABAG']  
X:1
L:1/8
M:2/2
K:Amix
 !slide![AA]2- | [AA]BcA AcBA | [AA]3 [AB] [AA]2 E2 | [EA]2 [Be]2 [ce]2 d2 | 
 !slide![ee]3 [ee] [ee]2 [ee]2- | [ee]fgf e2 d2 | !slide!cBAG E2 AB | cBAc BA G2 | 
 [AA]3 [AA] [AA]2 || ef | gfed c2 d2 | !slide![ee]3 [ee] [ee]2 ef | gfed c2 d2 | 
 !slide![ee]3 [ee] [ee]2 ef | gfed !slide!c3 B | A2 G2 E2 AB | cBAc BA G2 | [AA]3 [AA] [AA]2 || 
"^Alternate first strain" [AA]2- | [AA]BcB A2 G2 | ABAG E2 (EG) | A2 AB =c2 d2 | 
 !slide![ee]3 [ee] [ee]2 [ee]2- | [ee]fgf e2 d2 | !slide!cBAG E2 AB | cBAc BA G2 | 
 [AA]3 [AA] [AA]2 ||  