Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:4/4
K:G
['G E<A, E>D EA,A,>C B,>G E/D/C/B,/ DB,G,', 'Aaca Aa']  
X:1
L:1/8
M:4/4
K:G
 G | E<A, E>D EA,A,>C | B,>G E/D/C/B,/ DB,G, G | (E<A,) E>D EA,A,(B,/C/) | 
 DE/F/ (E/D/)C/B,/ CA,A, :| c/>B/ | Aaca Aa ed/c/ | GgBg Gg (e/d/)c/B/ | Aaca Aa (f/e/)d/c/ | 
 B/(c/d/)B/ e/>c/d/>B/ cA Ac/>B/ | Aaca Aa (f/e/)d/c/ | GgBg Gg (e/d/)c/B/ | 
 A/B/c/A/ B/c/d/B/ c/d/e/c/ d/e/f/d/ | e>E (e/d/)c/B/ cAA ||  