Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/4
Q:1/4=120
M:4/4
K:F
['C F F A (G/ F/) G3']  
X:1
L:1/4
Q:1/4=120
M:4/4
K:F
 C | F F A (G/ F/) | G3 (A/ B/) | c (B/ A/) B A | G3 c | A F G C | (F/ G/) (A/ =B/) c c | 
 d (c/ B/) A G | F3 |]  