Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/4
M:3/4
K:Bb
['d3/2 c/ c', '(B3 B)', '(d2 c)']  
X:1
L:1/4
M:3/4
K:Bb
"^A""Bb" F3 |"^Bb0" (=E2 G) |"Bb" (F3 | F) B d |"F7" (f2 c) |{/d} c =B c |"Bb" d3 |"Eb" B A G | 
"Bb" F3 |"^Bb0" (=E2 G) |"Bb" (F3 | F) B A |"C7" G A/G/ ^F/G/ | (d2 c) |"F7" (F3 |1 F) z z :|2 
 F z d |:"^B""F7" d3/2 c/ c | (c e) A |"Bb" c3/2 B/ B | (B d) B |"F7" B3/2 A/ A | A3/2 G/ G | 
"Bb" G3/2 F/ F | F B d |"F7" d3/2 c/ c | (f2 e) |"Bb" e3/2 d/ d | (g2 f) |"F7" f3/2 e/ e | 
 d3/2 c/ c |"Bb" (B3 |1 B) z d :|2 B z z ||[K:Eb]"^C""Eb" (E3 | E) B, E | (G3 | G) E G | (B2 g) | 
 (f2 e) |"Bb7" (d3 | d) z z | (B3 | B) F B | (d3 | d) B d | f2 c | d2 c |"Eb" (B3 |"Bb7" B) A F | 
"Eb" (E3 | E) B, E | (G3 | G) E G |"Ab" (A2 c) | (e2 c) |"Eb" (B3 | B) B c |"Bb7" (B3 | B) F A | 
"Eb" (G3 | G) E G |"Bb7" F3 | (A2 G) |"Eb" (E3 | E) z e"^D" |:"Bb7" (d2 c) | (A B d) |"Eb" (c2 B) | 
 (^F G c) |"Bb7" (B2 A) | (=B, C G) |"Eb" (F2 E) | (G B e) |"Bb7" (d2 c) | =B c f |"Eb" f2 e | 
 ^F G c |"Bb7" (c2 B) | (g2 f) |"Eb" (e3 |1 e) z e :|2 e z z |]  