Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:Bb
['G2 E>G', 'd<BB g f>dg>e f2 d>g g>d e/d/c/B/']  
X:1
L:1/8
M:4/4
K:Bb
 B | F>BD>B G2 E>G | F>f e/d/c/B/ A<c cd/e/ | d>BF>D G2 E>G | F>B A/B/c d<BB :: g | f>dg>e f2 d>g | 
 g>d e/d/c/B/ A<c cd/e/ |1 f>dg>d f>db>d | e/d/c/B/ F>c d<BB :|2 f>dB>F G2 E>G | F>B A/B/c d<BB ||  