Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:6/8
K:G
['G2 A BAG EDE GAB AGA BAG', 'dcB AGA']  
X:1
L:1/8
M:6/8
K:G
 G2 A BAG | EDE GAB | AGA BAG | EDE G3 :| G/A/B/c/ d2 d2 | dcB AGA | e3 efg | dcB AGA | d3 de | 
 dcA AGA ||  