Develop a piece of music using the provided alphabet notation and motif.
X:1
L:1/8
M:4/4
K:A
['B2 G2', 'E2 C2']  
X:1
L:1/8
M:4/4
K:A
 (efg) | a2 A2 ABAF | EFAB cABc | B2 G2 B2 G2 | BABc defg | a2 A2 ABAF | EFAB cABc | B2 G2 B2 af | 
 ecBc A2 :| E2 C2 E2 C2 | AGAB cBAc | B2 G2 B2 G2 | BABc dcBA | E2 C2 E2 C2 | AGAB cBAc | 
 B2 G2 B2 af | ecBc A2 :|  