Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/4
K:G
['GA Bc dB', 'ef ge']  
X:1
L:1/8
M:2/4
K:G
 D | GA Bc | dB GA | B2 BA | B2 BA | GA Bc | dB GB | A2 AG | A2 BA | GA Bc | dB GA | B2 BA | 
 B2 dd | e2 dd | ef ge | BG AF | G4 :: D | G2 gf | ef ge | B2 BA | B2 BA | G2 gf | ef ge | a2 ab | 
 a2 BA | G2 gf | ef ge | B2 BA | B2 dd | e2 dd | ef ge | BG AF | G3 :|  