Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:6/8
K:G
['D G2 G GBd efg dBG AGA', 'Bcd efg', 'D G2 G2 GB d2 ef g2']  
X:1
L:1/8
M:6/8
K:G
 D | G2 G GBd | efg dBG | AGA BAB | E2 F G2 :| B | d2 d Bcd | efg dBG | dcd Bcd | efg d3 | 
 d2 c Bcd | efg dBG | AGA BAB | E2 F G2 ||[M:4/4] D | G2 G2 | GB d2 | ef g2 | dB G2 | 
[M:6/8] AGA BAB | E2 F G2 ||  