Develop melodic phrases by utilizing the given motif and following the predetermined musical arrangement.
X:1
L:1/8
M:4/4
K:Bb
['B2 FB GBFB', 'bfdf egce'  
X:1
L:1/8
M:4/4
K:Bb
 d | B2 FB GBFB | EBDB Cc-cd | B2 FB GBFB | G(gfe) dBB :| (f/g/4a/4) | bfdf egce | dfBd cF-Fa | 
 bfdf egce | dfec dB-Ba | bfdf egce | dfBd cF-Ff | (gfga) bgfe | dfce dBB |]  