Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:Bb
['F2 E2 D3 C DC DE F3', 'd2 c2', 'c2 F2']  
X:1
L:1/8
M:2/4
K:Bb
"^A" F2 E2 | D3 C | DC DE | F3 E | D4 | F2 d2 | c3 f | c3 E | Ff dc | B3 D | F2 dc | B4 | F2 E2 | 
 D3 C | DC DE | F3 E | D4 | F2 d2 | c3 f | c3 E | Ff dc | !fermata!B4 || 
[M:4/4]"^B""^langsam" f3 e/d/ | c2 F2 |"_jeder Ton breit" !fermata!e2 !fermata!d2 !fermata!c2 | 
"^gemutliches Walzertempo" B3 d F2 | d2 c2 B2 | c3 e F2 | e2 d2 c2 | B3 F | B2 d2 | f4 | f3 e/d/ | 
 c2 F2 |"_jeder Ton breit" !fermata!e2 !fermata!d2 !fermata!c2 | B3 d F2 | d2 c2 B2 | c3 e F2 | 
 e2 d2 c2 | B4 z2 ||[M:2/4]"^C" FE FE | D4 | dc dc | B4 | F2 FE | D3 F | f3 e | d4 | c2 F2 | 
 c2 F2 | d3 c | B4 | FE FE | D4 | dc dc | B4 | F2 FE | D3 F | f3 e | d4 | c2 F2 | c2 F2 | 
[M:3/4]"_langsam ausklingen" f2 c2 d2 | !fermata!B4 z2 |]  