Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/8=200
M:2/4
K:G
['BG/B/ dB/d/', '(dc)cA (ed)dB (dc)cA eddD GD/G/ BG/B/ dB/d/gd', '.a(a^ga) d2 B2 .d(d^cd) .b(b^ab) aa^ga']  
X:1
L:1/8
Q:1/8=200
M:2/4
K:G
 D |"^Pia" GE/G/ BG/B/ | dB/d/ gd | dccA | eddD | GD/G/ BG/B/ | dB/d/ gB | dccA | G3 ::"^Pia" B | 
 (dc)cA | (ed)dB | (dc)cA | eddD |"^For" GD/G/ BG/B/ | dB/d/gd | dccA | G3 ::"^Solo" c | (dd^cd) | 
 .b(b^ab) | .a(a^ga) | =g/f/g/a/"^sic" d2 B2 | .d(d^cd) | .b(b^ab) | aa^ga | g3 :|  