Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
Q:3/8=84
M:6/8
K:G
['BGG BGG', 'G3 Bdd Add ^ceg fed agb gfa', 'd3 Bcd efg ABc def GAB cde', 'G3 dBG ecA fdf g3 ecA dBG']  
X:1
L:1/8
Q:3/8=84
M:6/8
K:G
 BGG BGG | GBd gfg | BGG BGG | DEF G3 :| Bdd Add | ^ceg fed | agb gfa | AB^c d3 :| Bcd efg | 
 ABc def | GAB cde | DEF G3 :| dBG ecA | fdf g3 | ecA dBG | DEF G3 :|  