Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:6/8
K:D
['cBA AEA AEA Bcd', 'cde efg', 'Bcd cBA']  
X:1
L:1/8
M:6/8
K:D
 e/d/ | cBA AEA | AEA Bcd | cBA Ace | dBG Bcd | cBA AEA | AEA Bcd | Ace gfe | dBG Bcd :: cde efg | 
 f/g/af ged | cde efg | f/g/aA Bcd | cde efg | afd bge | afd gec | dBG Bcd :: cBA Aaf | ecA Bcd | 
 cBA gfe | dBG Bcd | cBA Aaa | Agg Aff | Aee efg | dBG Bcd :|  