Compose a musical work using the assigned alphabetic notation and the provided motif.
X:1
L:1/8
M:2/4
K:G
['B2 BA B>d', 'g>f ga gf']  
X:1
L:1/8
M:2/4
K:G
 G/A/ | B2 BA | B>d GA | Bd dB | A2 GA | B2 BA | B>d ef | ge dB | A2 z :| z | g>f ga | gf ed | 
 g>f ga | gf e2 | g>f ga | gf ed | e>f ge | dB A :|  