Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['BG G2', 'G2 de g3 a gB(3BBB eBgB eB', '', 'de g3 d BG G2 FGAB cBcA']  
X:1
L:1/8
M:4/4
K:G
 cA | BG G2 d2 cA | (3Bcd cA BG G2 | FD (3FED cD (3FED | BD (3FED cB A2 | BG G2 d2 cA | 
 BdcA BG G2 | FAde f2 eg | fdcA G2 :: de | g3 a gB(3BBB | eBgB eB B2 | dega b2 ag | eaab agef | 
 g2 bg f2 af | e3 f edcB | cdec BcdB | AGA Bc :| de |: g3 d BG G2 | FGAB cBcA | GBBA BABc | 
 dAAG FA D2 | G2 BG F2 AF | E3 F EDCB, | C2 EC B,2 DB, |1 A,B,CD EGAB :|2 A,G,A,B, G,3 ||  