Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:3/4
K:Eb
['B, C D E2', 'G B3 (3G/B/G/ FE D2 c3 A', 'C>B, B,3 G GB E2 GF ED', 'Ac e3 f ec B3 E GE']  
X:1
L:1/8
M:3/4
K:Eb
"^A""^langsam" B, C D | E2 c3 G || B3 (3G/B/G/ FE | D2 c3 A | B4 B,2 | D3 A CA | B,2 CB, CD | 
 E3 G C2 | B,3 B, CD | E2 c3 G | B3 (3G/B/G/ FE | D2 c3 A | B4 B,2 | D3 A C2 | A4 DB | EG BE GB | 
 !fermata!e3 ||[M:3/4]"^B""^lupfig" C>B, | B,3 G GB | E2 GF ED | C3 A Ac | F4 E2 | D2 BB AB | 
 dd BB AD | E3 B GB | e4 C>B, | B,3 G GB | E2 GF ED | C3 A Ac | F4 E2 | D2 cB AB | dc BD cB | (E6 | 
 E2) z2 ||[M:3/4]"^C""^langsamer" E>E | EA cE Ac | e3 f ec | B3 E GE | B4 cB | B3 D AD | B4 dB | 
 BE EG EG | B4 E>E | EA cE Ac | e3 f ec | B3 E GE | B4 cB | B3 D AD | B4 !fermata!f>e | (e6 | 
 e2) |]  