Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
['B2 B, DEF']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
 B2 B, DEF | GcB (AG)A | B2 B, DEF | GcA B3 | BBB, (DE)F | GcB (AG)A | B2 B, DEF | GcA B3 | 
 dcB (dc)B | dcB (dc)B | (cA)B cAB | ced c3 | B2 B, DEF | GcB (AG)A | B2 B, DEF | GcA B3 ||  