Create a musical composition using the given alphabet-based notation and supplied motif.
X:1
L:1/8
M:2/2
K:G
['g2 gB d2 d2 B2 dB G2', 'G2 GA BBBG FGFE DDFD z', 'BA G6', 'EF G6 F2 E D6 C2 B,3']  
X:1
L:1/8
M:2/2
K:G
"^A""G" g2 gB d2 d2 | B2 dB G2 GA | B2 BB B2 B2 |"C" ddBc"D" A4 |"G" g2 gB d2 d2 | B2 dB G2 GA | 
"Em7" B2 Bc"D" d2 g2 |"C" ec"D7"AF"G" G4 ::"^B""G" G2 Bc ddBG |"D" FGAB cB A2 |"G" GABc defg | 
"C" agfe"D7" dcBA |"G" G2 Bc ddBG |"D" FGAB cB A2 |"Em7" GABc"D" defg |"C" ec"D7"AF"G" G4 :| 
"^A""G" B2 BA GFGA | BcBA G4 | z ccB A2 GG |"C" FGFE"D" D4 |"G" B2 BA GFGA | BcBA G4 | 
"Em7" z ccB"D" A2 GG |"C" FD"D7"EF"G" G4 ::"^B""G" G2 GA BBBG |"D" FGFE DDFD |"G" z DGA BBBB | 
"C" cBAG"D7" (A2 .d2) |"G" G2 GA BBBG |"D" FGFE DDFD |"Em7" z DGA"D" B2 BB |"C" cB"D7"AF"G" G4 :| 
[K:G]"^A" G6 A2 | B6 c2 | d8 | c2 B2 A2 BA | G6 A2 | B6 c2 | d2 c2 B2 AB | c2 B2 A2 BA :: 
"^B" G6 FE | D6 C2 | B,3 C D4 | C2 DE D2 EF | G6 F2 E | D6 C2 | B,3 C D3 D | CB,A,B, G,4 :|  