Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/8=160
M:2/2
K:G
['c2 dc', 'dBGB d2 BA G2 AB cAFA cAFA', 'c2 dc B2']  
X:1
L:1/8
Q:1/8=160
M:2/2
K:G
 dc | BcBA GBdg | ecAB c2 dc | B2 BG FGAB | c2 A2 A2 dc |"^5" B2 A2 GABd | gdAB c2 dc | 
 (3BcB AG FGAc | B2 G2 G2 :| Bc |"^9" dBGB dBGB | d2 BA G2 AB | cAFA cAFA | c2 AG F4 | 
"^13" GABc dgfg | afdB c2 dc | B2 AG FGAc | B2 GF G2 :| Bc |"^17" dggf gaba | gfd^c d2 de | 
 f2 fe fagf | eccB c2 dc |"^21" B2 A2 GBdg | ecAB c2 dc | B2 AG FGAc | B2 G2 G2 :|  