Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:4/4
K:G
['', 'dc (3Bcd BG cecA (3BdB GB AGFE', '', '(3def gfgb af d2 ecAe dB G2', '', 'Bc (3dBd (3gfg bgdg fe^df e2 fe', '', 'ga bagb agfa gee^d e2 fg agfa']  
X:1
L:1/8
M:4/4
K:G
 dc |: (3Bcd BG cecA | (3BdB GB AGFE | CDEF GABd | ga (3bag a2 dc | (3Bcd BG cecA | (3BdB GB AGFE | 
 CDEF GBdc | BGAF G3 :| (3def |: gfgb af d2 | ecAe dB G2 | d2{e} dc defg | agfg a2 (3def | 
 gfgb af d2 | ecAe dB G2 | (3efg fe dcBA | G2 B2 G2 :| Bc |: (3dBd (3gfg bgdg | fe^df e2 fe | 
 d^c=cA FDBA | (3GFG (3BcB d2 Bc | (3dBd (3gfg bgdg | fe^df e2 fe | d^c=cA FDBA | G2 B2 G2 :| ga |: 
 bagb agfa | gee^d e2 fg | agfa gfeg | fdd^c d2 d=c | BGBc defg | fe^df e2 fe | d^c=cA FDBA | 
 G2 B2 G2 ga :|  