Compose music using the given motif and the alphabetically represented musical sequence.
X:1
L:1/8
M:4/4
K:Bb
['(B4 B3) z', '=E G2 F2 DF dc B2 DF', 'fd B4 F2 D3 F Ac f3', 'fd B4 F2 D3 F Bc f3']  
X:1
L:1/8
M:4/4
K:Bb
"^A" f4 d4 | (c4 c)E/F/ A/F/A/c/ | f4 d4 | (B4 B3) z | DF Bd f3 d | c3 B A2 c2 | F4 EF Ac | 
 f3 f d2 c2 | (B4 B3) z | f4 d4 | (c4 c)E/F/ A/F/A/c/ | f4 d4 | (B4 B3) z | DF Bd f3 d | 
 c3 B A2 c2 | F4 EF Ac | f3 c d2 c2 | (B4 B3) z ||[M:2/4]"^B" F3 =E | G2 F2 | DF dc | B2 DF | 
 fd cB | AE FA | f3 d | !breath!!fermata!c2 CD | E3 D | F3 E | c2 A2 | F2 f2 | ed cf | B3 B | 
 d2 B2 | (F4 | !breath!F2) !fermata!D!fermata!E | F3 =E | G2 F2 | DF dc | B2 DF | fd cB | AE FA | 
 f3 d | !breath!c2 CD | E3 D | F3 E | c2 A2 | F2 f2 | ed c2 | (B4 | B2) z2 ||[M:3/4]"^C" c4 F2 | 
 E3 F fd | B4 F2 | D3 F Ac | f3 e c2 | f3 g fe | d4 B2 | !breath!F3 d fd | c4 F2 | E3 F fd | 
 B4 F2 | D3 F Ac | f3 g f2 | c4 d2 | (B6 | B4) z2 ||[M:3/4]"^D" f f d | c4 F2 | EE EF fd | B4 F2 | 
 D3 F Bc | f3 e c2 | ff fg fe | d4 B2 | F2 z f fd | c4 F2 | EE EF fd | B4 F2 | D3 F Bc | f3 e c2 | 
 gf c2 d2 | (B6 | B2) z2 z2 |]  