Craft musical compositions with attention to the given structure and cohesion with the proposed musical idea.
X:1
L:1/8
M:4/4
K:Bb
['B2 (d/c/B)', 'fB (e/d/c/B/)'  
X:1
L:1/8
M:4/4
K:Bb
 F | B2 (d/c/B) AcFA | GBEG FB,DF | B2 (d/c/B) Acfe | df (e/d/c/B/) FBB :| d | Bdfb fB (e/d/c/B/) | 
 Acfc faAc | Bcfb fB (e/d/c/B/) | AFec dBBd | Bdfb fB (e/d/c/B/) | Acfc faAc | (B/c/d/e/) fb BdFB | 
 EGCe dB-B |]  