Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:4/4
K:G
['.G2 .G2 (B<d) .d2', 'g>ab>a g>fe>d']  
X:1
L:1/8
M:4/4
K:G
 D2 | .G2 .G2 (B<d) .d2 | c>AB>G A>FE>D | .G2 .G2 (B<d) .d2 | e>gf>a g2 :: d2 | g>ab>a g>fe>d | 
 e>fg>e d>BA>G | g>ab>a g>fe>d | e>gf>a .g2 g>a | b2 a2 g2 f2 | e2 d2 c2 (B>A) | 
 .G2 .G2 (B<d) .d2 | e>gf>a g2 :|  