Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/4=140
M:2/2
K:A
['(c/B/) A2 af eccA BABc d2 dB', 'A3 g eecA ffeB ggeg a2 af']  
X:1
L:1/8
Q:1/4=140
M:2/2
K:A
 (c/B/) | A2 af eccA | BABc d2 dB | eecA ffeB | ceEG A3 || g | eecA ffeB | ggeg a2 af | eecA ffdB | 
 ceEG A2 |]  