Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/16
Q:1/8=80
M:3/4
K:G
['(3A2B2c2 B4 G2A2 (3BAG E2 E4 E6', 'e2g2 e4 d4 dBAG A4 (3BAG E2']  
X:1
L:1/16
Q:1/8=80
M:3/4
K:G
"^ANDANTE" (3A2B2c2 | B4 G2A2 (3BAG E2 | E4 E6 E2 | A2G2 A4 B4 | c4 A4 BGAB |"^5" d4 e4 e2g2 | 
 e6 d2 edB2 | B2<A2 G2AB A2>G2 | G8 || BAGE |"^9" G4 B2d2 e2g2 | e4 d4 dBAG | A4 (3BAG E2 E2>G2 | 
 E8 GEGA |"^13" B4 e4 dBA2 | G4 E2GA BAGE | D4 E4 E2G2 | E8 :|  