Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/16
M:2/4
K:G
['GFGA B2c2 d2g2 d4', 'B4 BABc d2B2']  
X:1
L:1/16
M:2/4
K:G
 GFGA B2c2 | d2g2 d4 | c2A2 B2AG | F2D2C2B,2 | GFGA B2c2 | d2g2 d4 | gdc2 FGAF | G8 :| B4 BABc | 
 d2B2 B4 | c4 cBcd | gdBg fdcA | B4 BABc | d2B2 B2ef | g2b2 dcBA | G8 :|  