Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/8=160
M:6/8
K:C
['dcd efg fed', 'ceg ceg', 'EFE DED GED AGA cAG dcd efg', 'efg fed cAG Adc']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:C
[K:G]"^Ambiguous Tunes""^D modal" .G | FED cBA | dcd efg | fed cAF | GAF GFE |"^5" FED c2 A | 
 dcd efg | fed cAG | Adc d2 :| A |"^9" dfa dfa | dfa afd | ceg ceg | ceg gfe |"^13" fef gfg | 
 afa gfe | fed cAG | Adc d2 :| e |"^17" fgf efe | ded cAG | FGF EFE | DED GED |"^21" AGA cAG | 
 dcd efg | fed cAG | Adc d2 :| f/g/ |"^25" afd dcd | dfa agf | gec cBc | ece gfe |"^29" fdf geg | 
 agf efg | fed cAG | Adc d2 :|  