Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
Q:1/4=96
M:2/2
K:G
['d<B TB2', 'B<d{ed^c} d2']  
X:1
L:1/8
Q:1/4=96
M:2/2
K:G
 g/a/ | b<g Tg2 d<B TB2 | c<e c<e A3 B/c/ | d<B TB2 G<E TE2 | c>A B>G (G/F/).E/.D/ Dg/a/ | 
 b<g Tg2 d<B TB2 | c<e c<e A3 B/c/ | d<B B2 e>E TE>G | (G/F/).E/.D/ EF G3 :| d/c/ | 
 B<d d2 d<b b>a | g>e e>d d3 d/c/ | B<d{ed^c} d2 e>B =c2 | d>A B>G (G/F/).E/.D/ DE/F/ | 
 G<B TB2 B<d{ed^c} d2 | g>d{f} e>d d4{efgabc'} | (d'<b) (b<g) (g<e) (e<c) | B>G A>F G3 :|  