Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/2
K:C
['Gccd e2 dc', 'fagf ecgc Bcdf']  
X:1
L:1/8
M:2/2
K:C
 Gccd e2 dc | B<Gdc BcdB | Gccd e2 dc | GcBc dB c2 :| Gfeg fagf | ecgc Bcdf | gfeg fagf | 
 gefd BG c2 | gfeg fagf | ecgc Bcdf | ecBc GcEc | GEFD B,G, C2 ||  