Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:2/2
K:G
['[Ec]2 ag f [df]2 (e e)d ef', 'b2 g4 abag fdef g2']  
X:1
L:1/8
M:2/2
K:G
 dc | B [GB]2 [GB] [GB]2 gg | e c2 [Ec] [Ec]2 ag | f [df]2 (e e)d ef | (g2 a)(g g)g dc | 
 B [GB]2 B- BG AB | cEcc [Ec]2 ag | f [df]2 (e e)d ef | (g2 a)(g g2) :| !slide!b2 g(d d2) g2 | 
 ba b2 g4 | abag fdef | g2 g2 g2 ab- | b2 g2 d2 B2 | c2 b2 g4 | abag fdef | g2 gg g2 dc ||  