Compose musical pieces based on the predetermined pattern and incorporating the given motif.
X:1
L:1/8
M:2/4
K:G
['_B2 AG']  
X:1
L:1/8
M:2/4
K:G
 D | GFGA | _B2 AG | FGAF | D2 z D | GFGA | _B2 AG | FGAF | D2 z _B | (3_Bcd(3ddd | 
 (3dcc(3ccc_BBBA/G/ | AD D2 | _B2 AG | F/G/A/F/ G2 | GG_BB | A/A/A/A/G |]  