Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:3/4
K:Bb
['B,>D F3 D FB d2 B2 f>d', 'dB c2', 'd2 c2 f2 d2 B4']  
X:1
L:1/8
M:3/4
K:Bb
"^A" B,>D | F3 D FB | d2 B2 f>d | c2 F2 Ff | d>c B2 B,>D | F3 D FB | d2 B2 f>d | c>F cf cd | 
 B4 z2 ||[M:3/4]"^B" dB | c2 f2 dc | Bd F2 dB | c2 f2 dc | B4 dB | c2 f>f d>c | Bd F2 dB | 
 c2 f>f dc | B4 z2 ||[M:3/4]"^C" F2 | f3 e d2 | c2 f2 d2 | B4 d2 | F4 f2 | c4 f2 | e3 d c2 | 
 B4 d2 | F4 F2 | f3 e d2 | c2 f2 d2 | B4 A2 | !fermata!G3 e"_langsam" dc | f3 d B2 | c3 d F2 | 
 (B6 | B4) z2 |]  