Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:4/4
K:Bb
['D3 F B2 F2 DF Bd f3', 'dc B3 A B2', 'B2 F4 D2 E4 c2 A4 GF', 'fe d3 B BG F3 d dB']  
X:1
L:1/8
M:4/4
K:Bb
"^A" D3 F B2 F2 | DF Bd f3 e | d4 f2 ed | c3 =B c4 | Fe dc B3 D | F2 dc B4 | D3 F B2 F2 | 
 DF Bd f3 e | d4 f2 ed | c3 =B c4 | F2 f2 c2 d2 | !fermata!B6 z2 ||"^B" f2 ed | c3 =B c2 _B2 | 
 c4 f2 dc | B3 A B2 A2 | B4 Fd cB | A3 ^G A2 B2 | c4 Fe dc | B3 A B2 c2 | d4 z fed | c3 =B c2 _B2 | 
 c4 f2 dc | B3 A B2 A2 | B4 Fd cB | A3 ^G A2 B2 | c4 fe cA | (B8 | B4) z2 ||[M:3/4]"^C" A G F | 
 D4 B2 | F4 D2 | E4 c2 | A4 GF | F4 e2 | c3 B AG | F4 d2 | B3 A GF | D4 B2 | F4 D2 | E4 c2 | 
 A4 GF | F4 e2 | c2 gf cd | B2 AB cd | B3 z z ||[M:3/4]"^D" B B _A | G3 G Be | g3 g fe | d3 B BG | 
 F3 d dB | A2 AF Ac | f3 f ec | B3 F Bd | f3 B B_A | G3 G Be | g3 g fe | d3 B BG | F3 d dB | 
 A2 AF Ac | f3 f eA | B3 F cd | !fermata!B4 z |]  