Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['b gd-dc BG-GD GB A/B/c/A/ BGGd ec-ce', 'A G FA-Ac BG G2 Bd-df ec-cB']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
 b | gd-dc | BG-GD | GB A/B/c/A/ | BGGd | ec-ce | dB-Bd | gdcB | TB2 A :: G | FA-Ac | BG G2 | 
 Bd-df | ec-cB | Aa-ag | fdgc | BGAF | G2 G :|  