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
M:3/4
K:G
['D G']  
X:1
L:1/4
M:3/4
K:G
 D |"G" B, D G |"G7" (B2 A) |"C" G2 E | (E G) E |"G" D2 D |"G" G A B |"C" (c d) |"Am" c2 B | 
"Em" (G E) G |"D" A2 D |"G" B, D G | (B2 A) |"C" B2 E |"C" G2 E | (E G) E |"G" D2 D |"G" (D G) B | 
"Bm" d2 E |"Am" c2 E |"D7" (D E) D |"G" D2 :|  