Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=120
M:2/2
K:A
['efec BAcA (dc)B(c/B/', 'cA B2'  
X:1
L:1/8
Q:1/4=120
M:2/2
K:A
"^Fast" ([ce-][ee]-) [ee]2 [ee]4 | egfe B3 B | efec BAcA | (dc)B(c/B/ A4) | 
 ([ce-][ee]-)[ee][ce] [ee]2 [ee]2 | [ce]gfe BB | efec BAcA | (dc)B(c/B/ A2) [A,E]2 || z2 cA B2 cc | 
 (ef)ec B(c/B/ A2) | [A,E]2 cA B2 cc | (ef)ec B4 | [A,E]2 cA B2 cc | (ef)ec B(c/B/ A2) | 
 [A,E]2 cA B2 [ce]2 | (cA)Bc A4 ||  