Craft a musical performance that integrates the mentioned motif and follows the predetermined alphabetical arrangement.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
['D/E/ F>BD>B TG2 EG F>f (e/d/.c/).B/ Accd/e/', 'f>dg>e Tf2{=ef} dg f<dg>B Ac-cd/e/']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
"^Slowish" D/E/ | F>BD>B TG2 EG | F>f (e/d/.c/).B/ Accd/e/ | .d.B FD G2 E>G | F>B A>c{Bc} dBB :| 
 d/e/ | f>dg>e Tf2{=ef} dg | f<dg>B Ac-cd/e/ | f>d g>e f>d b>d | (e/d/.c/).B/ Af (dBBd/)e/ | 
 f>dg>e Tf2{=ef} dg | f<dg>B Ac-cd/e/ | .f.d .B.F (G3/2A/4B/4) E>G | F>B A>c({Bc} dB)B |]  