Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:Amin
['a>b a>g', 'g2 B<A']  
X:1
L:1/8
M:4/4
K:Amin
 a |"Am" A/A/A B>A"D" B<d e2 |"G" d>g B>g"Am" A>G E2 |"G" D<G B>G A>G B>G | 
"Em" D/D/D E>G"Am" B<A A :| g |"Am" a>b a>g b<a a2 |"G" g>a b>a g<e d2 |"Am" a>b a>g b<a"G" a>g | 
"Em" e>g d>g"Am" B<A A2 || |"Am" a>b a>g b<a a2 |"G" g>a b>a g>e d>e |"G" g>a g>e"Em" d<e g2 | 
"Am" e>g"G" d>g"Am" B<A A |]  